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
Kwanika prospect (Swan prospect), Kwanika Creek, Omineca Mining Division, British Columbia, Canada


Locality type:Prospect
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 Kwanika prospect (Swan prospect), Kwanika Creek, Omineca Mining Division, British Columbia, Canada
Data Identifiers
Mindat Occurrence Record ID:717506
Long-form Identifier:1:3:717506:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
10.3km (6.4 miles) ⓘStardust deposit, Omineca Mining Division, British Columbia, Canada
48.1km (29.9 miles) ⓘMisty copper-gold prospect, Old Hogem, Omineca Mining Division, British Columbia, Canada
48.2km (29.9 miles) ⓘLorraine Cu-Au deposit, Old Hogem, Omineca Mining Division, British Columbia, Canada
60.5km (37.6 miles) ⓘVergil carbonatite, Mansoon Lakes, Omineca Mining Division, British Columbia, Canada
61.0km (37.9 miles) ⓘLonnie carbonatite, Mansoon Lakes, Omineca Mining Division, British Columbia, Canada
61.5km (38.2 miles) ⓘDorothy Cu deposit, Granisle, Omineca Mining Division, British Columbia, Canada
72.6km (45.1 miles) ⓘMorrison Cu-Au deposit, Granisle, Omineca Mining Division, British Columbia, Canada
80.9km (50.3 miles) ⓘBell Mine (Newman Mine), Granisle, Omineca Mining Division, British Columbia, Canada
82.1km (51.0 miles) ⓘGranisle mine, Granisle, Omineca Mining Division, British Columbia, Canada
90.7km (56.3 miles) ⓘMount Milligan mine (Mount Milligan Cu-Au deposit), Omineca Mining Division, British Columbia, Canada
References
Singer, Donald A., Berger, Vladimir Iosifovich, Moring, Barry C. (2005) Porphyry copper deposits of the world: database, map, and grade and tonnage models. Open-File Report 2005-1060. US Geological Survey doi:10.3133/ofr20051060
 
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