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
New Consort Mine, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa


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 New Consort Mine, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
Data Identifiers
Mindat Occurrence Record ID:1209138
Long-form Identifier:1:3:1209138:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
35.6km (22.1 miles) ⓘEast dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
35.9km (22.3 miles) ⓘWest dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
45.3km (28.1 miles) ⓘUitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
45.9km (28.5 miles) ⓘNkomati Mine, Uitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
51.6km (32.0 miles) ⓘM'hlati prospect, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
76.1km (47.3 miles) ⓘTokwane pegmatites, Mbabane, Hhohho Region, Eswatini
78.0km (48.4 miles) ⓘDokolwayo Mine (Dvokolwayo Mine), Dokolwayo, Lubombo Region, Eswatini
References
Otto, A., & Meyer, F. M. (2008). Tektono-metamorphe Kontrolle der archaischen Goldmineralisation in der New Consort Gold Mine, Barberton Grünsteingürtel, Südafrika (No. RWTH-CONV-112943). Lehrstuhl und Institut für Mineralogie und Lagerstättenlehre u. Labor für Geochemie und Umweltanalytik.
MUNYAI, M. R.; DIRKS, P. H. G. M.; CHARLESWORTH, E. G. (2011) Archaean gold mineralisation during post-orogenic extension in the new consort gold mine, Barberton Greenstone Belt, South Africa. South African Journal of Geology, 114 (2). p.121-144. doi:10.2113/gssajg.114.2.121
 
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