Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Zwartrand Farm, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa


Locality type:Deposit
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 Zwartrand Farm, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
Data Identifiers
Mindat Occurrence Record ID:1647677
Long-form Identifier:1:3:1647677:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.7km (4.8 miles) ⓘJooste Farm, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
13.3km (8.3 miles) ⓘWaterside Farm, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
30.5km (18.9 miles) ⓘMusina, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
32.0km (19.9 miles) ⓘMessina Mine, Musina, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
36.8km (22.9 miles) ⓘArtonvilla Mine, Musina, Musina Local Municipality, Vhembe District Municipality, Limpopo, South Africa
98.5km (61.2 miles) ⓘMarangudzi Ring Complex, Beitbridge District, Matabeleland South, Zimbabwe
References
Coetzee, C. B. - Ed. (1976) Mineral Resources of the Republic of South Africa (5th ed.) Department of Mines, Pretoria.p.259
 
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