Vote for your favorite mineral in #MinCup26! - Erythrite vs. Skutterudite
Pretty pink and poisonous Erythrite is against its shiny silver and structurally-useful Skutterudite.
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Biotite from
Socotó mining district, Campo Formoso, Bahia, Brazil


Locality type:Mining District
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Socotó mining district, Campo Formoso, Bahia, Brazil
Data Identifiers
Mindat Occurrence Record ID:371237
Long-form Identifier:1:3:371237:5
GUID (UUID V4):0
References
(2002) Emeralds of the World. extraLapis English 2. Lapis International LLCpp.24-35
 
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