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Biotite from
Onganja Mine, Helen Farm 235, Seeis, Windhoek Rural, Khomas Region, Namibia


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
Associated Minerals Based on Photo Data:
Molybdenite4
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Onganja Mine, Helen Farm 235, Seeis, Windhoek Rural, Khomas Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:904590
Long-form Identifier:1:3:904590:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.6km (5.3 miles) ⓘOtjisongati Mines, Okamuvia Farm 144, Seeis, Windhoek Rural, Khomas Region, Namibia
46.4km (28.8 miles) ⓘOtjihase Mine, Von Francois Farm 60, Windhoek Rural, Khomas Region, Namibia
46.7km (29.0 miles) ⓘOtjisazu Complex, Okahandja Constituency, Otjozondjupa Region, Namibia
79.1km (49.1 miles) ⓘAuas Mountains Occurrences, Windhoek Rural, Khomas Region, Namibia
81.8km (50.8 miles) ⓘAris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia
83.4km (51.8 miles) ⓘRegenstein Vent, Auas Mountains Occurrences, Windhoek Rural, Khomas Region, Namibia
91.3km (56.7 miles) ⓘMatchless Mine, Friedenau Farm 16, Windhoek Rural, Khomas Region, Namibia
References
Moore, J.M. (2010) Comparative study of the Onganja copper mine, Namibia: A link between Neoproterozoic mesothermal Cu(-Au) mineralization in Namibia and Zambia. South African Journal of Geology, 113 (4) 445-460 doi:10.2113/gssajg.113.4.445
 
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