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Black Mountain Quarry, Rumford, Oxford County, Maine, USA i
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close view of the quarry floor

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

quarry dump road

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Wall covered with black tourmaline

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

close view of the quarry floor

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

quarry dump road

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Wall covered with black tourmaline

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

close view of the quarry floor

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

quarry dump road

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Latitude & Longitude (WGS84):

44° 35' 7'' North , 70° 38' 47'' West

Latitude & Longitude (decimal):

G#: drvv8ksb5

Type:

Köppen climate type:

Dfb : Warm-summer humid continental climate

Nearest Settlements:

Place	Population	Distance
Rumford	4,218 (2017)	8.3km
Mexico	1,743 (2017)	8.4km
Andover	898 (2017)	10.0km
Roxbury	399 (2017)	10.3km
Hanover	261 (2017)	10.5km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
Oxford County Mineral and Gem Association	South Paris, Maine	42km

Mindat Locality ID:

3775

Long-form identifier:

mindat:1:2:3775:7

GUID (UUID V4):

e9748e60-33ce-40b6-a46d-a518bbf438d2

Other/historical names associated with this locality:

Black Mountain pegmatite

Granite pegmatite. Oxford field.

Primarily a mica quarry with four closely spaced nearly overlapping pits. Noted for its mineral specimen variety and for opaque pink tourmaline fans in quartz and lepidolite matrix, some of which have been over 50 cm long. No tourmaline pockets have been found at this location to date, although occasional fraudulently labeled transparent rubellite specimens have been strongly promoted as "definitely one-of-a-kind" by their sellers. Locally, these are derisively attributed to "Maine-nibia", "Maine-istan", or "Maine-zil". The eosphorite from this locality was formerly the world record size (37 mm).

The quarry is private property and is off limits to individuals. Organized group field trips are only rarely permitted.

Not to be confused with the 'Black Mountain locality' (http://www.mindat.org/loc-6537.html).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Dickinsonite-(KMnNa)

ⓘ var. Carbonate-rich Fluorapatite

ⓘ Fluorcalciomicrolite

ⓘ var. Carbonate-rich Hydroxylapatite

60 valid minerals. 1 (TL) - type locality of valid minerals. 4 erroneous literature entries.

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

The Mineralogical Record: 22: 382.

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

Rocks & Minerals (2007) 82: 242.

ⓘ Albite var. Cleavelandite

Formula: Na(AlSi₃O₈)

References:

Bastin, Edson Sunderland (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. United States Geological Survey, Bulletin 445, 152 pgs.

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Albite var. Zygadite

Formula: Na(AlSi₃O₈)

References:

King, Van (n.d.) Personal communcation.

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Amblygonite

Formula: LiAl(PO₄)F

Description: Identification confirmed by Michael Wise.

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

Rocks & Minerals (2007) 82: 242.

ⓘ Autunite

Formula: Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

Rocks & Minerals (2007) 82: 242.

ⓘ Beryllonite

Formula: NaBePO₄

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

ⓘ Cassiterite

Formula: SnO₂

References:

Wise, Michael A.

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

Brown, Cathleen D. (2011): Chemical composition of coexisting columbite-group minerals and cassiterite from the Black Mountain pegmatite, Maine. Eur. J. Mineral. 23, 817-828.

ⓘ Columbite-(Fe)

Formula: Fe²⁺Nb₂O₆

References:

Wise, Michael A.

Brown, Cathleen D. (2011): Chemical composition of coexisting columbite-group minerals and cassiterite from the Black Mountain pegmatite, Maine. European Journal of Mineralogy, 23, 817-828.

ⓘ Columbite-(Mn)

Formula: Mn²⁺Nb₂O₆

References:

Wise, Michael A.

Brown, Cathleen D. (2011): Chemical composition of coexisting columbite-group minerals and cassiterite from the Black Mountain pegmatite, Maine. European Journal of Mineralogy, 23, 817-828.

ⓘ Cookeite

Formula: (LiAl₄◻)[AlSi₃O₁₀](OH)₈

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Dickinsonite-(KMnNa)

Formula: (KNa)(Mn²⁺◻)Ca(Na₂Na)Mn²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂

References:

Guidebook 1 to Mineral Collecting in the Maine Pegmatite Belt

ⓘ Dravite

Formula: NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

✪ Elbaite

Formula: Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

Description: Well-known for red tourmaline fan to 1 meter plus.

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

✪ Eosphorite

Formula: Mn²⁺Al(PO₄)(OH)₂ · H₂O

Description: Former world record crystal sizes of double terminated crystals (37 mm)

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

ⓘ Fairfieldite

Formula: Ca₂Mn²⁺(PO₄)₂ · 2H₂O

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

Rocks & Minerals (2007) 82: 242.

ⓘ Fluorapatite var. Carbonate-rich Fluorapatite

Formula: Ca₅(PO₄,CO₃)₃(F,O)

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Fluorcalciomicrolite

Formula: (Ca,Na)₂(Ta,Nb)₂O₆F

References:

Van KingIdentified by Vandall Thomas King: Dealer/Collection Label

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

References:

Vandall KingIdentified by Van King: Visual Identification

ⓘ Goyazite

Formula: SrAl₃(PO₄)(PO₃OH)(OH)₆

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Greifensteinite

Formula: Ca₂Fe²⁺₅Be₄(PO₄)₆(OH)₄ · 6H₂O

References:

www.uno.edu/pegmatology/abstract/abstniz.html.

ⓘ 'Gummite'

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

ⓘ Heterosite

Formula: (Fe³⁺,Mn³⁺)PO₄

Description: Parent triphylite of this locality has Mn/Mn + Fe = 0.42 (Moore, 2000).

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336

ⓘ Hurlbutite

Formula: CaBe₂(PO₄)₂

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Hydroxylapatite

Formula: Ca₅(PO₄)₃(OH)

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite

Formula: Ca₅(PO₄,CO₃)₃(OH,O)

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

ⓘ Hydroxylherderite

Formula: CaBe(PO₄)(OH)

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ 'Indicolite'

Formula: A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z

Description: Crystals of good quality are only very rarely found. Most specimens from this locality are of "representative" quality.

References:

A. Plante, personal knowledge.

ⓘ 'Jahnsite Group'

Formula: XM1M2₂M3₂(H₂O)₈(OH)₂(PO₄)₄

References:

King, Van (n.d.) Personal communcation.

ⓘ Kosnarite (TL)

Formula: KZr₂(PO₄)₃

Type Locality:

References:

Brownfield, Michael E., Foord, Eugene E., Sutley, Stephen J., Botinelly, Theodore (1993) Kosnarite, KZr₂(PO₄)₃ a new mineral from Mount Mica and Black Mountain, Oxford County, Maine. American Mineralogist, 78 (5-6) 653-656

ⓘ ~~Laueite~~

Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 8H₂O

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.

ⓘ 'Lepidolite'

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ 'Manganese Oxides'

References:

King, Van (n.d.) Personal communcation.

ⓘ Meta-autunite

Formula: Ca(UO₂)₂(PO₄)₂ · 6H₂O

References:

Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey

ⓘ Metatorbernite

Formula: Cu(UO₂)₂(PO₄)₂ · 8H₂O

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

ⓘ 'Microlite Group'

Formula: A_2-mTa₂X_6-wZ_-n

ⓘ Mitridatite

Formula: Ca₂Fe³⁺₃(PO₄)₃O₂ · 3H₂O

ⓘ Montebrasite

Formula: LiAl(PO₄)(OH)

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Habit: Up to 1.5 by 3 feet in size

References:

ⓘ Nontronite

Formula: Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O

References:

King, Van (n.d.) Personal communcation.

ⓘ Olenite

Formula: NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)

Description: Olenite is confirmed from sample #47 at Black Mountain. Samples 45 and 46 were not olenite, however, but were rossmannite. See Dyar MD, Taylor ME, Lutz TM, Francis CA, Guidotti CV, Wise M (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist 83, 848-864. [Authors' post-publication comment has been misconstrued to suggest that no olenite was ever verified from Black Mountain.]: "samples 45 and 46, labeled olenite, are actually rossmanite"].

References:

Wise, Michael A. and Brown, C. D. (1992) Olenite from the Black Mountain Pegmatite, Maine: A New Occurrence, Lepidolite 200, International Symposium on the Mineralogy, Petrology, and Geochemistry of Granitic Pegmatites, Abstracts and Papers, p. 79.

Dyar, M.D., Taylor, M.E., Lutz, T.M., Francis, C.A., Guidotti, C.V., Wise, M. (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist, 83, 848-864.

ⓘ Opal

Formula: SiO₂ · nH₂O

ⓘ Opal var. Opal-AN

Formula: SiO₂ · nH₂O

ⓘ Phosphuranylite

Formula: KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O

ⓘ Pollucite

Formula: (Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O

ⓘ ~~Purpurite~~

Formula: Mn³⁺(PO₄)

Description: Misidentified. The parent triphylite from this locality has Mn/Mn + Fe = 0.42 (Moore, 2000)

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336

ⓘ Pyrite

Formula: FeS₂

ⓘ Quartz

Formula: SiO₂

References:

ⓘ ~~Reddingite~~

Formula: (Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

ⓘ Rhodochrosite

Formula: MnCO₃

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Rockbridgeite

Formula: Fe²⁺Fe³⁺₄(PO₄)₃(OH)₅

ⓘ ~~Romanèchite~~

Formula: (Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀

Description: Localities which had psilomelane reported have been indiscriminately relabeled as romanèchite. As in this case, the original material was never analyzed and the listing appears erroneous.

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

ⓘ Roscherite ?

Formula: Ca₂Mn²⁺₅Be₄(PO₄)₆(OH)₄ · 6H₂O

Description: Historically, roscherite was thought to be "confirmed" by its appearance, but with the discovery of greifensteinite, it appears that roscherite has yet to be verified while a verified member of the group, greifensteinite (Frank Hawthorn, University of Manitoba, Canada), is believed to be the dominant member of the group present at Black Mountain.

References:

King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.

ⓘ Rossmanite

Formula: ◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

References:

ⓘ Schorl

Formula: NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

References:

ⓘ Siderite

Formula: FeCO₃

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Sphalerite

Formula: ZnS

ⓘ Spodumene

Formula: LiAlSi₂O₆

References:

Rocks & Minerals (2007) 82: 242.

ⓘ Strunzite

Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O

ⓘ Tantalite-(Mn)

Formula: Mn²⁺Ta₂O₆

ⓘ Titanite

Formula: CaTi(SiO₄)O

ⓘ Todorokite

Formula: (Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O

References:

King, Van (n.d.) Personal communcation.

ⓘ Torbernite

Formula: Cu(UO₂)₂(PO₄)₂ · 12H₂O

✪ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

Description: Black Mountain Mine is noted for its "fans" of pink elbaite - some as large as perhaps a foot high and across. The material is largely non-gem quality to "representative" quality. Really good quality crystals are quite rare here. It is the size and aesthetics of the "fans" which have attracted collector attention to the locality over the years.

References:

www.cseg.ca/conferences/2000/825.PDF.

✪ 'Tourmaline var. Rubellite'

Formula: A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z

References:

www.cseg.ca/conferences/2000/825.PDF.

ⓘ 'Tourmaline var. Verdelite'

Formula: A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z

Description: Crystals of any quality are only rarely found. Most material is only of "representative" quality.

References:

A. Plante, personal knowledge.

ⓘ Triphylite

Formula: LiFe²⁺PO₄

Description: Triphylite from this locality has Mn/Mn + Fe = 0.42 (Moore, 2000).

References:

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336

ⓘ Triplite

Formula: Mn²⁺₂(PO₄)F

References:

Douglass WattsIdentified by Vandall Thomas King: XRD

ⓘ Uraninite

Formula: UO₂

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Uranophane

Formula: Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Vivianite

Formula: Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

ⓘ Wodginite

Formula: Mn²⁺Sn⁴⁺Ta₂O₈

References:

Mineralogical Record 22:382

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Cameron, Eugene N.

Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255

Gallery:

NaBePO₄ⓘ Beryllonite

Beryllonite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Beryllonite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Beryllonite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)ⓘ Elbaite

Elbaite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Elbaite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Ca₂Fe²⁺₅Be₄(PO₄)₆(OH)₄ · 6H₂Oⓘ Greifensteinite

Greifensteinite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Greifensteinite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

Greifensteinite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	'Microlite Group'	4.00.	A_2-mTa₂X_6-wZ_-n
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Opal-AN	4.DA.10	SiO₂ · nH₂O
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Columbite-(Mn)	4.DB.35	Mn²⁺Nb₂O₆
ⓘ	Columbite-(Fe)	4.DB.35	Fe²⁺Nb₂O₆
ⓘ	Tantalite-(Mn)	4.DB.35	Mn²⁺Ta₂O₆
ⓘ	Wodginite	4.DB.40	Mn²⁺Sn⁴⁺Ta₂O₈
ⓘ	Fluorcalciomicrolite	4.DH.15	(Ca,Na)₂(Ta,Nb)₂O₆F
ⓘ	Todorokite	4.DK.10	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
ⓘ	Romanèchite ?	4.DK.10	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
ⓘ	Uraninite	4.DL.05	UO₂
Group 5 - Nitrates and Carbonates
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Beryllonite	8.AA.10	NaBePO₄
ⓘ	Hurlbutite	8.AA.15	CaBe₂(PO₄)₂
ⓘ	Purpurite ?	8.AB.10	Mn³⁺(PO₄)
ⓘ	Heterosite	8.AB.10	(Fe³⁺,Mn³⁺)PO₄
ⓘ	Triphylite	8.AB.10	LiFe²⁺PO₄
ⓘ	Kosnarite (TL)	8.AC.60	KZr₂(PO₄)₃
ⓘ	Hydroxylherderite	8.BA.10	CaBe(PO₄)(OH)
ⓘ	Montebrasite	8.BB.05	LiAl(PO₄)(OH)
ⓘ	Amblygonite	8.BB.05	LiAl(PO₄)F
ⓘ	Triplite	8.BB.10	Mn²⁺₂(PO₄)F
ⓘ	Rockbridgeite	8.BC.10	Fe²⁺Fe³⁺₄(PO₄)₃(OH)₅
ⓘ	Dickinsonite-(KMnNa)	8.BF.05	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂
ⓘ	Goyazite	8.BL.10	SrAl₃(PO₄)(PO₃OH)(OH)₆
ⓘ	Hydroxylapatite	8.BN.05	Ca₅(PO₄)₃(OH)
ⓘ	var. Carbonate-rich Hydroxylapatite	8.BN.05	Ca₅(PO₄,CO₃)₃(OH,O)
ⓘ	Fluorapatite var. Carbonate-rich Fluorapatite	8.BN.05	Ca₅(PO₄,CO₃)₃(F,O)
ⓘ		8.BN.05	Ca₅(PO₄)₃F
ⓘ	Reddingite ?	8.CC.05	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
ⓘ	Vivianite	8.CE.40	Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O
ⓘ	Fairfieldite	8.CG.05	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
ⓘ	Greifensteinite	8.DA.10	Ca₂Fe²⁺₅Be₄(PO₄)₆(OH)₄ · 6H₂O
ⓘ	Roscherite ?	8.DA.10	Ca₂Mn²⁺₅Be₄(PO₄)₆(OH)₄ · 6H₂O
ⓘ	Strunzite	8.DC.25	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O
ⓘ	Laueite ?	8.DC.30	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 8H₂O
ⓘ	Eosphorite	8.DD.20	Mn²⁺Al(PO₄)(OH)₂ · H₂O
ⓘ	Mitridatite	8.DH.30	Ca₂Fe³⁺₃(PO₄)₃O₂ · 3H₂O
ⓘ	Autunite	8.EB.05	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
ⓘ	Torbernite	8.EB.05	Cu(UO₂)₂(PO₄)₂ · 12H₂O
ⓘ	Meta-autunite	8.EB.10	Ca(UO₂)₂(PO₄)₂ · 6H₂O
ⓘ	Metatorbernite	8.EB.10	Cu(UO₂)₂(PO₄)₂ · 8H₂O
ⓘ	Phosphuranylite	8.EC.10	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
Group 9 - Silicates
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Uranophane	9.AK.15	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Olenite	9.CK.05	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
ⓘ	Rossmanite	9.CK.05	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Schorl	9.CK.05	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Dravite	9.CK.05	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Elbaite	9.CK.05	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Spodumene	9.DA.30	LiAlSi₂O₆
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Nontronite	9.EC.40	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Cookeite	9.EC.55	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Cleavelandite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Zygadite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Pollucite	9.GB.05	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
Unclassified
ⓘ	'Jahnsite Group'	-	XM1M2₂M3₂(H₂O)₈(OH)₂(PO₄)₄
ⓘ	'Manganese Oxides'	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Tourmaline var. Rubellite'	-	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Gummite'	-
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Lepidolite'	-
ⓘ	'Tourmaline var. Verdelite'	-	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Indicolite'	-	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)
H	ⓘ Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
H	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
H	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Eosphorite	Mn²⁺Al(PO₄)(OH)₂ · H₂O
H	ⓘ Fairfieldite	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Goyazite	SrAl₃(PO₄)(PO₃OH)(OH)₆
H	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
H	ⓘ Hydroxylherderite	CaBe(PO₄)(OH)
H	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
H	ⓘ Laueite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 8H₂O
H	ⓘ Meta-autunite	Ca(UO₂)₂(PO₄)₂ · 6H₂O
H	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
H	ⓘ Mitridatite	Ca₂Fe₃³⁺(PO₄)₃O₂ · 3H₂O
H	ⓘ Montebrasite	LiAl(PO₄)(OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
H	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
H	ⓘ Reddingite	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
H	ⓘ Rockbridgeite	Fe²⁺Fe₄³⁺(PO₄)₃(OH)₅
H	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
H	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
H	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
H	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
H	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
H	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
H	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
H	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
H	ⓘ Jahnsite Group	XM1M2₂M3₂(H₂O)₈(OH)₂(PO₄)₄
Li	Lithium
Li	ⓘ Amblygonite	LiAl(PO₄)F
Li	ⓘ Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
Li	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Li	ⓘ Montebrasite	LiAl(PO₄)(OH)
Li	ⓘ Spodumene	LiAlSi₂O₆
Li	ⓘ Triphylite	LiFe²⁺PO₄
Li	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Be	Beryllium
Be	ⓘ Beryllonite	NaBePO₄
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Be	ⓘ Hurlbutite	CaBe₂(PO₄)₂
Be	ⓘ Hydroxylherderite	CaBe(PO₄)(OH)
Be	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
Be	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
B	Boron
B	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Indicolite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
B	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
B	ⓘ Tourmaline var. Rubellite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
B	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
B	ⓘ Tourmaline var. Verdelite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
B	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
C	Carbon
C	ⓘ Fluorapatite var. Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)
C	ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)
C	ⓘ Rhodochrosite	MnCO₃
C	ⓘ Siderite	FeCO₃
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Amblygonite	LiAl(PO₄)F
O	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Beryllonite	NaBePO₄
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Fluorapatite var. Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)
O	ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)
O	ⓘ Cassiterite	SnO₂
O	ⓘ Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
O	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
O	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Eosphorite	Mn²⁺Al(PO₄)(OH)₂ · H₂O
O	ⓘ Fairfieldite	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
O	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Goyazite	SrAl₃(PO₄)(PO₃OH)(OH)₆
O	ⓘ Heterosite	(Fe³⁺,Mn³⁺)PO₄
O	ⓘ Hurlbutite	CaBe₂(PO₄)₂
O	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
O	ⓘ Hydroxylherderite	CaBe(PO₄)(OH)
O	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
O	ⓘ Indicolite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Kosnarite	KZr₂(PO₄)₃
O	ⓘ Laueite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 8H₂O
O	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
O	ⓘ Tantalite-(Mn)	Mn²⁺Ta₂O₆
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Meta-autunite	Ca(UO₂)₂(PO₄)₂ · 6H₂O
O	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Mitridatite	Ca₂Fe₃³⁺(PO₄)₃O₂ · 3H₂O
O	ⓘ Montebrasite	LiAl(PO₄)(OH)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
O	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
O	ⓘ Purpurite	Mn³⁺(PO₄)
O	ⓘ Quartz	SiO₂
O	ⓘ Reddingite	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Rockbridgeite	Fe²⁺Fe₄³⁺(PO₄)₃(OH)₅
O	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
O	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
O	ⓘ Tourmaline var. Rubellite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Siderite	FeCO₃
O	ⓘ Spodumene	LiAlSi₂O₆
O	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
O	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Triphylite	LiFe²⁺PO₄
O	ⓘ Triplite	Mn₂²⁺(PO₄)F
O	ⓘ Uraninite	UO₂
O	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
O	ⓘ Tourmaline var. Verdelite	A(D₃)G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
O	ⓘ Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Albite var. Zygadite	Na(AlSi₃O₈)
O	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
O	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
O	ⓘ Jahnsite Group	XM1M2₂M3₂(H₂O)₈(OH)₂(PO₄)₄
O	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
F	Fluorine
F	ⓘ Amblygonite	LiAl(PO₄)F
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapatite var. Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Triplite	Mn₂²⁺(PO₄)F
F	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Beryllonite	NaBePO₄
Na	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
Na	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
Na	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
Na	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Na	ⓘ Albite var. Zygadite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
Na	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Amblygonite	LiAl(PO₄)F
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
Al	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
Al	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Eosphorite	Mn²⁺Al(PO₄)(OH)₂ · H₂O
Al	ⓘ Goyazite	SrAl₃(PO₄)(PO₃OH)(OH)₆
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Montebrasite	LiAl(PO₄)(OH)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
Al	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
Al	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Spodumene	LiAlSi₂O₆
Al	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Al	ⓘ Albite var. Zygadite	Na(AlSi₃O₈)
Al	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈
Si	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Olenite	NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Spodumene	LiAlSi₂O₆
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Albite var. Zygadite	Na(AlSi₃O₈)
Si	ⓘ Rossmanite	◻(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
P	Phosphorus
P	ⓘ Amblygonite	LiAl(PO₄)F
P	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
P	ⓘ Beryllonite	NaBePO₄
P	ⓘ Fluorapatite var. Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)
P	ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)
P	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
P	ⓘ Eosphorite	Mn²⁺Al(PO₄)(OH)₂ · H₂O
P	ⓘ Fairfieldite	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Goyazite	SrAl₃(PO₄)(PO₃OH)(OH)₆
P	ⓘ Heterosite	(Fe³⁺,Mn³⁺)PO₄
P	ⓘ Hurlbutite	CaBe₂(PO₄)₂
P	ⓘ Hydroxylherderite	CaBe(PO₄)(OH)
P	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
P	ⓘ Kosnarite	KZr₂(PO₄)₃
P	ⓘ Laueite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 8H₂O
P	ⓘ Meta-autunite	Ca(UO₂)₂(PO₄)₂ · 6H₂O
P	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
P	ⓘ Mitridatite	Ca₂Fe₃³⁺(PO₄)₃O₂ · 3H₂O
P	ⓘ Montebrasite	LiAl(PO₄)(OH)
P	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
P	ⓘ Purpurite	Mn³⁺(PO₄)
P	ⓘ Reddingite	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
P	ⓘ Rockbridgeite	Fe²⁺Fe₄³⁺(PO₄)₃(OH)₅
P	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
P	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
P	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
P	ⓘ Triphylite	LiFe²⁺PO₄
P	ⓘ Triplite	Mn₂²⁺(PO₄)F
P	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
P	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
P	ⓘ Jahnsite Group	XM1M2₂M3₂(H₂O)₈(OH)₂(PO₄)₄
S	Sulfur
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
K	ⓘ Kosnarite	KZr₂(PO₄)₃
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
K	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ca	Calcium
Ca	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Ca	ⓘ Fluorapatite var. Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)
Ca	ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)
Ca	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
Ca	ⓘ Fairfieldite	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Hurlbutite	CaBe₂(PO₄)₂
Ca	ⓘ Hydroxylherderite	CaBe(PO₄)(OH)
Ca	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
Ca	ⓘ Meta-autunite	Ca(UO₂)₂(PO₄)₂ · 6H₂O
Ca	ⓘ Mitridatite	Ca₂Fe₃³⁺(PO₄)₃O₂ · 3H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
Ca	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ca	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Ca	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
Ca	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Mn	Manganese
Mn	ⓘ Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
Mn	ⓘ Eosphorite	Mn²⁺Al(PO₄)(OH)₂ · H₂O
Mn	ⓘ Fairfieldite	Ca₂Mn²⁺(PO₄)₂ · 2H₂O
Mn	ⓘ Heterosite	(Fe³⁺,Mn³⁺)PO₄
Mn	ⓘ Laueite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 8H₂O
Mn	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Mn	ⓘ Tantalite-(Mn)	Mn²⁺Ta₂O₆
Mn	ⓘ Purpurite	Mn³⁺(PO₄)
Mn	ⓘ Reddingite	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
Mn	ⓘ Rhodochrosite	MnCO₃
Mn	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
Mn	ⓘ Roscherite	Ca₂Mn₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
Mn	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
Mn	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Mn	ⓘ Triplite	Mn₂²⁺(PO₄)F
Mn	ⓘ Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈
Fe	Iron
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Heterosite	(Fe³⁺,Mn³⁺)PO₄
Fe	ⓘ Laueite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 8H₂O
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Mitridatite	Ca₂Fe₃³⁺(PO₄)₃O₂ · 3H₂O
Fe	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Reddingite	(Mn²⁺,Fe²⁺)₃(PO₄)₂ · 3H₂O
Fe	ⓘ Rockbridgeite	Fe²⁺Fe₄³⁺(PO₄)₃(OH)₅
Fe	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
Fe	ⓘ Triphylite	LiFe²⁺PO₄
Fe	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
Fe	ⓘ Greifensteinite	Ca₂Fe₅²⁺Be₄(PO₄)₆(OH)₄ · 6H₂O
Cu	Copper
Cu	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
Cu	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Sr	Strontium
Sr	ⓘ Goyazite	SrAl₃(PO₄)(PO₃OH)(OH)₆
Sr	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Zr	Zirconium
Zr	ⓘ Kosnarite	KZr₂(PO₄)₃
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Nb	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Nb	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Sn	ⓘ Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈
Cs	Caesium
Cs	ⓘ Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O
Ba	Barium
Ba	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
Ba	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ta	Tantalum
Ta	ⓘ Tantalite-(Mn)	Mn²⁺Ta₂O₆
Ta	ⓘ Microlite Group	A_2-mTa₂X_6-wZ_-n
Ta	ⓘ Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈
Ta	ⓘ Fluorcalciomicrolite	(Ca,Na)₂(Ta,Nb)₂O₆F
U	Uranium
U	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
U	ⓘ Meta-autunite	Ca(UO₂)₂(PO₄)₂ · 6H₂O
U	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
U	ⓘ Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄ · 8H₂O
U	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
U	ⓘ Uraninite	UO₂
U	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

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Weird Times at Black Mountain Quarry, Rumford, Maine by Douglas Watts

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References

Guidebook 1 to Mineral Collecting in the Maine Pegmatite Belt

Prepared by members of the Maine Federation Club 1973 pg. 22

Rocks & Minerals (1927): 2: 6.

Maillot, E. E., Boos, M. F., and Mosier, M. (1949). Investigation of Black Mountain beryl deposit, Oxford County, Maine: U. S. Bureau of Mines, Report of Investigations 4412.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 969.

Rocks & Minerals (1988): 63: 129-130.

Acosta, Ruben and Carmichael, Sarah (1997) The chemical differences in tourmaline between simple and complex pegmatites in southwestern Maine, Keck Research Symposium in Geology 10: 179-182.

M. Darby Dyar, Marjorie E. Taylor, Timothy M. Lutz, Carl A. Francis, Charles V. Guidotti, And Michael Wise (1998) Inclusive Chemical Characterization of Tourmaline: Mössbauer Study of Fe Valence and Site Occupancy, American Mineralogist, Volume 83, Pages 848–864.

Dyar, M.D., Guidotti, C.V., Core, D.P., Wearn, K.M., Wise, M.A., Francis, C.A., Johnson, K., Brady, J.B., Robertson, J.D., and Cross, L.R. (1999) Stable isotope and crystal chemistry of tourmaline across pegmatite-country rocks boundaries at Black Mountain and Mount Mica, southwestern Maine, USA. European Journal of Mineralogy: 11: 281-294.

King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336

Wise, Michael A.; Brown, Cathleen D. (2011): Chemical composition of coexisting columbite-group minerals and cassiterite from the Black Mountain pegmatite, Maine. European Journal of Mineralogy 23, 817-828. DOI: 10.1127/0935-1221/2011/0023-2102

(2011)

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Black Mountain Quarry, Rumford, Oxford County, Maine, USAiRegional Level TypesBlack Mountain QuarryQuarry RumfordTown Oxford CountyCounty MaineState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Black Mountain Quarry, Rumford, Oxford County, Maine, USA i
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