Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Morococala Mine, Santa Fé mining district, Pantaleón Dalence Province, Oruro, Bolivia


Locality type:Mine
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 Morococala Mine, Santa Fé mining district, Pantaleón Dalence Province, Oruro, Bolivia
Data Identifiers
Mindat Occurrence Record ID:548555
Long-form Identifier:1:3:548555:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.6km (1.0 miles) ⓘSanta Fé Mine, Santa Fé mining district, Pantaleón Dalence Province, Oruro, Bolivia
8.1km (5.0 miles) ⓘJapo Mine (Negro Pabellón Mine), Santa Fé mining district, Pantaleón Dalence Province, Oruro, Bolivia
37.5km (23.3 miles) ⓘSiglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí, Bolivia
40.3km (25.1 miles) ⓘSocavón Mine (La Salvadora mine), Oruro, Cercado Province, Oruro, Bolivia
41.0km (25.5 miles) ⓘSan José Mine, Oruro, Cercado Province, Oruro, Bolivia
41.6km (25.8 miles) ⓘColorada Mine, Oruro, Cercado Province, Oruro, Bolivia
90.6km (56.3 miles) ⓘColquiri mine, Colquiri, Inquisivi Province, La Paz, Bolivia
References
Salomon Rivas And Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes (Santa Cruz)
Jiménez-Franco, Abigail; Alfonso, Pura; Canet, Carles; Trujillo, Juan Elvys (2018) Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia. Andean Geology, 45 (3). 410-432 doi:10.5027/andgeov45n3-3052
 
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