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
Buffalo Canyon prospect, Berlin, Union Mining District, Nye County, Nevada, USA


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 Buffalo Canyon prospect, Berlin, Union Mining District, Nye County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1491295
Long-form Identifier:1:3:1491295:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.0km (3.7 miles) ⓘFury pit, Grantsville, Union Mining District, Nye County, Nevada, USA
6.9km (4.3 miles) ⓘGrantsville Summit Prospect, Union Mining District, Nye County, Nevada, USA
17.4km (10.8 miles) ⓘJewel Mine (Eagle group?), Ellsworth Mining District (Mammoth Mining District), Nye County, Nevada, USA
27.6km (17.1 miles) ⓘBruner Mine, Phonolite, Bruner Mining District, Nye County, Nevada, USA
69.8km (43.4 miles) ⓘMcMillan Bentonite prospect, Pilot Mountains District, Pilot Mountains, Mineral County, Nevada, USA
86.1km (53.5 miles) ⓘGreen Talc Mine (Donnelly Andalusite Mine), Fitting Mining District, Mineral County, Nevada, USA
References
Quillen, P. D. (2017). Buffalo Canyon: An Oligocene Greisen-Like Intrusion-Related Gold Deposit in the Union Mining District, Nye County, Nevada (Masters thesis, University of Nevada, Reno).
 
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