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
Zaaiplaats tin field, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa


Locality type:Mining Field
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 Zaaiplaats tin field, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
Data Identifiers
Mindat Occurrence Record ID:259152
Long-form Identifier:1:3:259152:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
18.6km (11.6 miles) ⓘAkanani prospects, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
22.5km (14.0 miles) ⓘOverysel deposit, Mogalakwena Mine, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
26.0km (16.2 miles) ⓘTurfspruit farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
34.8km (21.6 miles) ⓘMokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
88.1km (54.7 miles) ⓘDe Loskop Fe deposit, Pietersburg greenstone belt, Capricorn District Municipality, Limpopo, South Africa
92.7km (57.6 miles) ⓘZandrivierspoort Fe deposit, Pietersburg greenstone belt, Capricorn District Municipality, Limpopo, South Africa
References
Vonopartis, L.
Nex, P.
Kinnaird, J.
Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa. p.1-290.
Vonopartis, Leonidas, Nex, Paul, Kinnaird, Judith, Robb, Laurence (2020) Evaluating the Changes from Endogranitic Magmatic to Magmatic-Hydrothermal Mineralization: The Zaaiplaats Tin Granites, Bushveld Igneous Complex, South Africa. Minerals, 10 (4) 379 doi:10.3390/min10040379
 
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