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
Tokwane pegmatites, Mbabane, Hhohho Region, Eswatini


Locality type:Pegmatite 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 Tokwane pegmatites, Mbabane, Hhohho Region, Eswatini
Data Identifiers
Mindat Occurrence Record ID:1242453
Long-form Identifier:1:3:1242453:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
40.9km (25.4 miles) ⓘWest dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
41.4km (25.7 miles) ⓘEast dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
54.3km (33.7 miles) ⓘDokolwayo Mine (Dvokolwayo Mine), Dokolwayo, Lubombo Region, Eswatini
76.1km (47.3 miles) ⓘNew Consort Mine, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
80.1km (49.7 miles) ⓘUitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
80.5km (50.0 miles) ⓘNkomati Mine, Uitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
References
Maphalala, R. M.; Trumbull, R. B. (1998) A geochemical and Rb-Sr isotopic study of Archaean pegmatite dykes in the tin belt of Swaziland. South African Journal of Geology, 10 (1). 53-65
 
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