Cafeosite
A valid IMA mineral species
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Formula:
Ca4Fe2+3Fe3+2◻O6S4
Crystal System:
Orthorhombic
Type Locality:
Known synthetic analogue
Unique Identifiers
Mindat ID:
470994
Long-form identifier:
mindat:1:1:470994:3
GUID
(UUID V4):
(UUID V4):
ee383873-5f81-4d95-847b-e5255aa98f71
IMA Classification of Cafeosite
Approved, Pending publication
Approval year:
2024
Classification of Cafeosite
2.MA.15
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
M : Oxysulfosalts
A : Oxysulfosalts of Alkalies and Alkali Earths
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
M : Oxysulfosalts
A : Oxysulfosalts of Alkalies and Alkali Earths
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Cfo | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Cafeosite
Mindat Formula:
Ca4Fe2+3Fe3+2◻O6S4
Elements listed:
Crystallography of Cafeosite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pcca
Setting:
Pcca
Cell Parameters:
a = 17.4856(9) Å, b = 11.1516(5) Å, c = 11.1543(5) Å
Ratio:
a:b:c = 1.568 : 1 : 1
Unit Cell V:
2,175.00 ų (Calculated from Unit Cell)
Comment:
Cmce space group
Type Occurrence of Cafeosite
Place of Conservation of Type Material:
In the collections of the Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Kosygin St. 19, Moscow 119991, Russia, catalogue number 16185
Geological Setting of Type Material:
carbonaceous chondrite meteorite
Related Minerals - Strunz-mindat Grouping
2.MA.05 | Cetineite | (K,Na)6Sb3+12(Sb3+S3)2O18(OH)0.5 · 5,5H2O |
2.MA.05 | Ottensite | (Na,K)3Sb3+6(Sb3+S3)O9 · 3H2O |
2.MA.10 | Sarabauite | CaSb3+10S6O10 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Cafeosite
mindat.org URL:
https://www.mindat.org/min-470994.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
References for Cafeosite
Localities for Cafeosite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Oman (TL) | |
| Ivanova et al. (2024) |