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
Westralia Gold Mine, Mount Morgans Gold Mine, Mount Margaret Goldfield, Laverton 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 Westralia Gold Mine, Mount Morgans Gold Mine, Mount Margaret Goldfield, Laverton Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:1031235
Long-form Identifier:1:3:1031235:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.5km (9.0 miles) ⓘJupiter Gold Mine (Doublejay; Joanne; Jenny), Mount Margaret Goldfield, Laverton Shire, Western Australia, Australia
22.9km (14.2 miles) ⓘSouth Windarra deposit, Windarra Ni Mine (Mount Windarra; Windarra; Discovery gossan; Poseidon deposit), Laverton, Laverton Shire, Western Australia, Australia
34.8km (21.6 miles) ⓘGranny Smith Gold Mine, Mount Weld Station, Laverton Shire, Western Australia, Australia
35.2km (21.9 miles) ⓘWindarra Ni Mine (Mount Windarra; Windarra; Discovery gossan; Poseidon deposit), Laverton, Laverton Shire, Western Australia, Australia
47.9km (29.7 miles) ⓘMount Weld Mine, Mount Weld Station, Laverton Shire, Western Australia, Australia
60.3km (37.4 miles) ⓘButcher Well Gold Mine, Linden Goldfield, Leonora Shire, Western Australia, Australia
60.6km (37.6 miles) ⓘRed October Gold Mine, Linden Goldfield, Leonora Shire, Western Australia, Australia
68.1km (42.3 miles) ⓘMount Molybdenite prospect, Mertondale Goldfield, Leonora Shire, Western Australia, Australia
68.3km (42.4 miles) ⓘUnnamed opal deposit, White Cliffs Station, Laverton Shire, Western Australia, Australia
73.3km (45.5 miles) ⓘGwalia Mine (Sons of Gwalia Gold Mine), Leonora, Leonora Shire, Western Australia, Australia
References
Simpson, E.S. (1948), Minerals of Western Australia, Vol 1, p 220
 
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