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
Bell Mine (Newman Mine), Granisle, Omineca Mining Division, British Columbia, Canada


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 Bell Mine (Newman Mine), Granisle, Omineca Mining Division, British Columbia, Canada
Data Identifiers
Mindat Occurrence Record ID:569783
Long-form Identifier:1:3:569783:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.9km (4.9 miles) ⓘGranisle mine, Granisle, Omineca Mining Division, British Columbia, Canada
22.0km (13.6 miles) ⓘMorrison Cu-Au deposit, Granisle, Omineca Mining Division, British Columbia, Canada
27.6km (17.1 miles) ⓘDorothy Cu deposit, Granisle, Omineca Mining Division, British Columbia, Canada
47.6km (29.6 miles) ⓘBig Onion copper-molybdenum deposit, Smithers, Omineca Mining Division, British Columbia, Canada
71.2km (44.3 miles) ⓘDavidson deposit, Omineca Mining Division, British Columbia, Canada
80.9km (50.3 miles) ⓘKwanika prospect (Swan prospect), Kwanika Creek, Omineca Mining Division, British Columbia, Canada
81.2km (50.5 miles) ⓘStardust deposit, Omineca Mining Division, British Columbia, Canada
88.5km (55.0 miles) ⓘRed Rose Mine, Omineca Mining Division, British Columbia, Canada
88.7km (55.1 miles) ⓘRed Rose Mine, New Hazelton, Omineca Mining Division, British Columbia, Canada
92.3km (57.3 miles) ⓘVictoria property (Hazelton view), Omineca Mining Division, British Columbia, Canada
References
personal correspondence with Giles PeatfieldIdentification: Visual Identification
Econ Geol (1994) 89:1518-1541
 
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