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
Location 3 (Location 5D; Andrew's Shaft), Spargoville, Coolgardie Shire, Western Australia, Australia


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 Location 3 (Location 5D; Andrew's Shaft), Spargoville, Coolgardie Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:1036971
Long-form Identifier:1:3:1036971:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.1km (0.7 miles) ⓘLocation 2 deposit (Location 5B), Spargoville, Coolgardie Shire, Western Australia, Australia
1.3km (0.8 miles) ⓘLocation 1A deposit, Spargoville, Coolgardie Shire, Western Australia, Australia
2.2km (1.4 miles) ⓘWattle Dam gold mine, Spargoville, Coolgardie Shire, Western Australia, Australia
4.8km (3.0 miles) ⓘ384N deposit, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
7.6km (4.7 miles) ⓘLogan's Find gold mines, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
11.3km (7.0 miles) ⓘLady Allison gold prospect, Spargoville, Coolgardie Shire, Western Australia, Australia
11.8km (7.4 miles) ⓘSouth Spargoville Columbite pegmatite, Spargoville, Coolgardie Shire, Western Australia, Australia
12.2km (7.6 miles) ⓘGiles Columbite-Beryl Pegmatite (Giles Prospect), Spargoville, Coolgardie Shire, Western Australia, Australia
13.3km (8.3 miles) ⓘSpargo's Reward Gold Mine, Spargoville, Coolgardie Shire, Western Australia, Australia
17.4km (10.8 miles) ⓘCave Rocks Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
References
Marston, R. J. (1984) Nickel mineralization in Western Australia. Mineral Resources Bulletin 14. Geological Survey of Western Australia
 
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