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Quadrada (incl. Quadradin), Selva, Poschiavo, Bernina Region, Grisons, Switzerlandi
Regional Level Types
Quadrada (incl. Quadradin)Hamlet
SelvaHamlet
PoschiavoMunicipality
Bernina RegionRegion
GrisonsCanton
SwitzerlandCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
46° 18' 7'' North , 10° 1' 47'' East
Latitude & Longitude (decimal):
46.30197,10.02993
GeoHash:
G#: u0ppkjp8d
GRN:
N31E06
Type:
Hamlet
KΓΆppen climate type:
ET : Tundra
Nearest Settlements:
PlacePopulationDistance
Poschiavo3,428 (2017)3.3km
Brusio1,152 (2017)8.6km
Lanzada1,365 (2014)12.9km
Villa2,194 (2014)13.5km
Caspoggio1,375 (2014)13.6km
Mindat Locality ID:
134067
Long-form identifier:
mindat:1:2:134067:2
GUID (UUID V4):
248901f3-237a-4549-8a5a-31c85bd4615b
Other/historical names associated with this locality:
Alp Quadrata
Other Languages:
Italian:
Quadrada (incl. Quadradin), Selva, Poschiavo, Regione Bernina, Grigioni, Svizzera
Lombard:
Quadrada (incl. Quadradin), Selva, Pusc'ciΓ’f (Pus'ciav), Regiun Bernina, Canton Grisun, Svizera


Serpentinite outcrops above the hamlets of Quadradin (1765 m), also known as Quadrada inferiore or Quadrada da fuora, and Quadrada (1861 m), also known as Quadrada da daint.

At the beginning of the 20th century, there were six active asbestos mines above the two hamlets. In one of the abandoned underground workings above the hamlet of Quadrada the first finding in Switzerland of nesquehonite was reported (Parker et al., 1939).


Serpentinite cropping out above Quadradin (Quadrada inferiore or Quadrada da fuora) is frequently crossed by metamorphic veins filled with white fibrous chrysotile (fibrous aggregates up to 30 cm in length have been found). Associated minerals are andradite crystals, varying in colour from brown, to yellow-brown, yellow-green, and green (demantoid variety), granular magnetite, and acicular diopside. Diopside forms also small colourless to white individual crystals or radianting aggregates varaying in colour from whitish to greenish, pinkish, and violet. Tabular crystals of titanite, clinochlore, and ilmenite sporadically occur. Calcite and aragonite are also found.


In his study on the metallic minerals included in serpentinite from the Selva-Quadrada area, De Quervain (1963) used 20 polished sections from the chrysotile-bearing sepentinite outcrop above Quadradin (Quadrada inferiore or Quadrada da fuora) and 18 polished sections from the mining area above Quadrada (Quadrada da daint).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


40 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Andradite
Formula: Ca3Fe3+2(SiO4)3
β“˜ Andradite var. Demantoid
Formula: Ca3Fe3+2(SiO4)3
β“˜ Andradite var. Topazolite
Formula: Ca3Fe3+2(SiO4)3
β“˜ Antigorite
Formula: Mg3(Si2O5)(OH)4
References:
Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147
De Quervain, F. (1935) Serpentin als Dekorationgestein von Poschiavo (GraubΓΌnden). Schweizerische Mineralogische und Petrographische Mitteilungen, 15, 319-324
De Quervain, F. (1945) Awaruit und Pentlandit in Serpentinit von Poschiavo. Schweizerische Mineralogische und Petrographische Mitteilungen, 25, 305-310
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Aragonite
Formula: CaCO3
β“˜ 'Asbestos'
β“˜ Awaruite
Formula: Ni3Fe
References:
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Peretti, A. (1986) Formation of sulfides and alloys during regional metamorphism, with remarks on the formation of natural shandite Ni2Pb2S2. Schweizerische Mineralogische und Petrographische Mitteilungen, 66, 479-480
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 58
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Breithauptite
Formula: NiSb
β“˜ Brochantite
Formula: Cu4(SO4)(OH)6
β“˜ Brucite
Formula: Mg(OH)2
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Chrysotile
Formula: Mg3(Si2O5)(OH)4
References:
Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
References:
De Quervain, F. (1935) Serpentin als Dekorationgestein von Poschiavo (GraubΓΌnden). Schweizerische Mineralogische und Petrographische Mitteilungen, 15, 319-324
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Clinohumite
Formula: Mg9(SiO4)4F2
β“˜ Copper
Formula: Cu
β“˜ Covellite
Formula: CuS
β“˜ Diopside
Formula: CaMgSi2O6
References:
Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 241
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Diopside var. Diallage
Formula: CaMgSi2O6
β“˜ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ Enstatite
Formula: Mg2Si2O6
β“˜ Forsterite
Formula: Mg2SiO4
Description: Simply reported as olivine in the old literature.
References:
Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Heazlewoodite
Formula: Ni3S2
References:
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 211.
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 211
Romani E. (2000): Andar per cristalli - Tesori nascosti. Centro studi del Museo mineralogico naturalistico di Bormio, 151 p.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Hexahydrite
Formula: MgSO4 · 6H2O
Description: As incrustations on the walls of the old underground workings.
β“˜ Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
β“˜ Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,F)2
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ 'K Feldspar'
β“˜ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
β“˜ Lizardite
Formula: Mg3(Si2O5)(OH)4
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
References:
Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147
De Quervain, F. (1935) Serpentin als Dekorationgestein von Poschiavo (GraubΓΌnden). Schweizerische Mineralogische und Petrographische Mitteilungen, 15, 319-324
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Peretti, A. (1986) Formation of sulfides and alloys during regional metamorphism, with remarks on the formation of natural shandite Ni2Pb2S2. Schweizerische Mineralogische und Petrographische Mitteilungen, 66, 479-480
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, pages 300 and 368
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Morenosite
Formula: NiSO4 · 7H2O
β“˜ Nesquehonite
Formula: MgCO3 · 3H2O
β“˜ Nickelhexahydrite
Formula: Ni(SO4) · 6H2O
β“˜ Orcelite
Formula: Ni5-xAs2, x ~ 0.25
β“˜ Pentlandite
Formula: (NixFey)Ξ£9S8
References:
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Peretti, A. (1986) Formation of sulfides and alloys during regional metamorphism, with remarks on the formation of natural shandite Ni2Pb2S2. Schweizerische Mineralogische und Petrographische Mitteilungen, 66, 479-480
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 299
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Perovskite
Formula: CaTiO3
References:
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 300
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., and Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
β“˜ Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
Description: At the contact between serpentinite and gneiss.
β“˜ 'Riebeckite Root Name Group'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
Description: At the contact between serpentinite and gneiss.
β“˜ Shandite
Formula: Ni3Pb2S2
Habit: Microscopic
β“˜ Starkeyite
Formula: MgSO4 · 4H2O
Description: As incrustations on the walls of the old underground workings.
β“˜ Taenite
Formula: (Fe,Ni)
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Wairauite
Formula: CoFe

Gallery:

Ni3Feβ“˜ Awaruite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Copper1.AA.05Cu
β“˜Taenite1.AE.10(Fe,Ni)
β“˜Wairauite1.AE.15CoFe
β“˜Awaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
β“˜Orcelite2.AB.10Ni5-xAs2, x ~ 0.25
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Heazlewoodite2.BB.05Ni3S2
β“˜Pentlandite2.BB.15(NixFey)Ξ£9S8
β“˜Shandite2.BE.15Ni3Pb2S2
β“˜Covellite2.CA.05aCuS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Breithauptite2.CC.05NiSb
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Perovskite4.CC.30CaTiO3
β“˜Brucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Aragonite5.AB.15CaCO3
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
β“˜Nesquehonite5.CA.05MgCO3 Β· 3H2O
β“˜Hydromagnesite5.DA.05Mg5(CO3)4(OH)2 Β· 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Brochantite7.BB.25Cu4(SO4)(OH)6
β“˜Starkeyite7.CB.15MgSO4 Β· 4H2O
β“˜Hexahydrite7.CB.25MgSO4 Β· 6H2O
β“˜Nickelhexahydrite7.CB.25Ni(SO4) Β· 6H2O
β“˜Morenosite7.CB.40NiSO4 Β· 7H2O
Group 9 - Silicates
β“˜Chrysotile9..Mg3(Si2O5)(OH)4
β“˜Forsterite9.AC.05Mg2SiO4
β“˜Andradite
var. Demantoid		9.AD.25Ca3Fe3+2(SiO4)3
β“˜var. Topazolite9.AD.25Ca3Fe3+2(SiO4)3
β“˜9.AD.25Ca3Fe3+2(SiO4)3
β“˜Hydroxylclinohumite
var. Titanclinohumite		9.AF.55(Mg,Ti)9(SiO4)4(OH,F)2
β“˜Clinohumite9.AF.55Mg9(SiO4)4F2
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Enstatite9.DA.05Mg2Si2O6
β“˜Diopside9.DA.15CaMgSi2O6
β“˜var. Diallage9.DA.15CaMgSi2O6
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Richterite9.DE.20Na(NaCa)Mg5(Si8O22)(OH)2
β“˜Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
β“˜Lizardite9.ED.15Mg3(Si2O5)(OH)4
β“˜Antigorite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
β“˜'K Feldspar
var. Adularia'		-KAlSi3O8
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Asbestos'-
β“˜'Riebeckite Root Name Group'-β—»[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
β“˜'K Feldspar'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ AntigoriteMg3(Si2O5)(OH)4
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ BrochantiteCu4(SO4)(OH)6
Hβ“˜ BruciteMg(OH)2
Hβ“˜ ChrysotileMg3(Si2O5)(OH)4
Hβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Hβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ HexahydriteMgSO4 · 6H2O
Hβ“˜ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Hβ“˜ LizarditeMg3(Si2O5)(OH)4
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ MorenositeNiSO4 · 7H2O
Hβ“˜ NesquehoniteMgCO3 · 3H2O
Hβ“˜ NickelhexahydriteNi(SO4) · 6H2O
Hβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Hβ“˜ StarkeyiteMgSO4 · 4H2O
Hβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Hβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cβ“˜ AragoniteCaCO3
Cβ“˜ CalciteCaCO3
Cβ“˜ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Cβ“˜ MalachiteCu2(CO3)(OH)2
Cβ“˜ NesquehoniteMgCO3 · 3H2O
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ K Feldspar var. AdulariaKAlSi3O8
Oβ“˜ AndraditeCa3Fe23+(SiO4)3
Oβ“˜ AntigoriteMg3(Si2O5)(OH)4
Oβ“˜ AragoniteCaCO3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ BrochantiteCu4(SO4)(OH)6
Oβ“˜ BruciteMg(OH)2
Oβ“˜ CalciteCaCO3
Oβ“˜ ChrysotileMg3(Si2O5)(OH)4
Oβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Oβ“˜ ClinohumiteMg9(SiO4)4F2
Oβ“˜ Andradite var. DemantoidCa3Fe23+(SiO4)3
Oβ“˜ Diopside var. DiallageCaMgSi2O6
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ EnstatiteMg2Si2O6
Oβ“˜ ForsteriteMg2SiO4
Oβ“˜ HexahydriteMgSO4 · 6H2O
Oβ“˜ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ LizarditeMg3(Si2O5)(OH)4
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ MorenositeNiSO4 · 7H2O
Oβ“˜ NesquehoniteMgCO3 · 3H2O
Oβ“˜ NickelhexahydriteNi(SO4) · 6H2O
Oβ“˜ PerovskiteCaTiO3
Oβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Oβ“˜ StarkeyiteMgSO4 · 4H2O
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Oβ“˜ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Oβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ ClinohumiteMg9(SiO4)4F2
Fβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Fβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Naβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ AntigoriteMg3(Si2O5)(OH)4
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ BruciteMg(OH)2
Mgβ“˜ ChrysotileMg3(Si2O5)(OH)4
Mgβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgβ“˜ ClinohumiteMg9(SiO4)4F2
Mgβ“˜ Diopside var. DiallageCaMgSi2O6
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgβ“˜ EnstatiteMg2Si2O6
Mgβ“˜ ForsteriteMg2SiO4
Mgβ“˜ HexahydriteMgSO4 · 6H2O
Mgβ“˜ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mgβ“˜ LizarditeMg3(Si2O5)(OH)4
Mgβ“˜ NesquehoniteMgCO3 · 3H2O
Mgβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Mgβ“˜ StarkeyiteMgSO4 · 4H2O
Mgβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
AlAluminium
Alβ“˜ K Feldspar var. AdulariaKAlSi3O8
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Alβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ K Feldspar var. AdulariaKAlSi3O8
Siβ“˜ AndraditeCa3Fe23+(SiO4)3
Siβ“˜ AntigoriteMg3(Si2O5)(OH)4
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ ChrysotileMg3(Si2O5)(OH)4
Siβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Siβ“˜ ClinohumiteMg9(SiO4)4F2
Siβ“˜ Andradite var. DemantoidCa3Fe23+(SiO4)3
Siβ“˜ Diopside var. DiallageCaMgSi2O6
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ EnstatiteMg2Si2O6
Siβ“˜ ForsteriteMg2SiO4
Siβ“˜ LizarditeMg3(Si2O5)(OH)4
Siβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Siβ“˜ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Siβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ BrochantiteCu4(SO4)(OH)6
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ HeazlewooditeNi3S2
Sβ“˜ HexahydriteMgSO4 · 6H2O
Sβ“˜ MorenositeNiSO4 · 7H2O
Sβ“˜ NickelhexahydriteNi(SO4) · 6H2O
Sβ“˜ Pentlandite(NixFey)Ξ£9S8
Sβ“˜ ShanditeNi3Pb2S2
Sβ“˜ StarkeyiteMgSO4 · 4H2O
ClChlorine
Clβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ K Feldspar var. AdulariaKAlSi3O8
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ AndraditeCa3Fe23+(SiO4)3
Caβ“˜ AragoniteCaCO3
Caβ“˜ CalciteCaCO3
Caβ“˜ Andradite var. DemantoidCa3Fe23+(SiO4)3
Caβ“˜ Diopside var. DiallageCaMgSi2O6
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ PerovskiteCaTiO3
Caβ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ PerovskiteCaTiO3
Tiβ“˜ TitaniteCaTi(SiO4)O
Tiβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ AndraditeCa3Fe23+(SiO4)3
Feβ“˜ AwaruiteNi3Fe
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ Andradite var. DemantoidCa3Fe23+(SiO4)3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ Pentlandite(NixFey)Ξ£9S8
Feβ“˜ Taenite(Fe,Ni)
Feβ“˜ WairauiteCoFe
Feβ“˜ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Feβ“˜ Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
CoCobalt
Coβ“˜ WairauiteCoFe
NiNickel
Niβ“˜ AwaruiteNi3Fe
Niβ“˜ BreithauptiteNiSb
Niβ“˜ HeazlewooditeNi3S2
Niβ“˜ MorenositeNiSO4 · 7H2O
Niβ“˜ NickelhexahydriteNi(SO4) · 6H2O
Niβ“˜ OrceliteNi5-xAs2, x ~ 0.25
Niβ“˜ Pentlandite(NixFey)Ξ£9S8
Niβ“˜ ShanditeNi3Pb2S2
Niβ“˜ Taenite(Fe,Ni)
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ BrochantiteCu4(SO4)(OH)6
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CovelliteCuS
Cuβ“˜ CopperCu
Cuβ“˜ MalachiteCu2(CO3)(OH)2
AsArsenic
Asβ“˜ OrceliteNi5-xAs2, x ~ 0.25
SbAntimony
Sbβ“˜ BreithauptiteNiSb
PbLead
Pbβ“˜ ShanditeNi3Pb2S2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Switzerland

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References

Tarnuzzer, Chr. (1902) Die Asbestlager der Alp Quadrata bei Poschiavo. Jahresbericht der Naturforschenden Gesellschaft GraubΓΌndens, 45 (1901-1902), 133-147.
Schmidt, C. (1917) Asbest und Nephrit von Poschiavo in GraubΓΌnden. Zeitschrift fΓΌr praktische Geologie, 25, 77-81.
Parker, R.L., De Quervain, R., and Weber, F. (1939) Über einige neue und seltene Mineralien der Schweizeralpen. Nesquehonit. Schweizerische Mineralogische und Petrographische Mitteilungen, 19, 304-305.
de Quervain, F. (1963) Die Erzmineralien des Serpentins von Selva- Quadrada (Puschlav) [The ore minerals of the serpentine of Selva-Quadrada (Puschlav)]. Schweizerische mineralogische und petrographische Mitteilungen, 43 (1) 295-314
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pages.
www.mineralienatlas.de (n.d.) https://www.mineralienatlas.de/lexikon/index.php/Schweiz/Graub%C3%BCnden%2C%20Kanton/Bernina%2C%20Region/Poschiavo%20%28Puschlav%29/Selva/Quadrada
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