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
Great Ophir Gold Mine, Davyhurst, Davyhurst Goldfield, Menzies Shire, Western Australia, Australia


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 Great Ophir Gold Mine, Davyhurst, Davyhurst Goldfield, Menzies Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:1032222
Long-form Identifier:1:3:1032222:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.4km (0.3 miles) ⓘLight of Israel Gold Mine (Lights of Israel), Davyhurst, Davyhurst Goldfield, Menzies Shire, Western Australia, Australia
2.4km (1.5 miles) ⓘGolden Pole Gold Mine, Davyhurst, Davyhurst Goldfield, Menzies Shire, Western Australia, Australia
21.9km (13.6 miles) ⓘOff Chance Gold Mine, Mulline Goldfield, Menzies Shire, Western Australia, Australia
33.2km (20.6 miles) ⓘRiverina Gold Mine, Riverina Station, Menzies Shire, Western Australia, Australia
38.0km (23.6 miles) ⓘWonder Well, Riverina Station, Menzies Shire, Western Australia, Australia
49.1km (30.5 miles) ⓘPamela Jean prospect, Goongarrie, Menzies Shire, Western Australia, Australia
49.2km (30.6 miles) ⓘYunndaga Gold Mine (Menzies Consolidated; Royal), Menzies, Menzies Shire, Western Australia, Australia
50.0km (31.1 miles) ⓘLady Harriet Gold Mine (Pioneer; Menzies Pioneer), Menzies, Menzies Shire, Western Australia, Australia
50.4km (31.3 miles) ⓘGolden Age Gold Mine, Menzies, Menzies Shire, Western Australia, Australia
51.1km (31.7 miles) ⓘLady Shenton Gold Mine, Menzies, Menzies Shire, Western Australia, Australia
References
Simpson, E.S. (1948), Minerals of Western Australia, Vol 2, p 200
 
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