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
Fesler Prospect, Windypah Mining District, Esmeralda 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 Fesler Prospect, Windypah Mining District, Esmeralda County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1540522
Long-form Identifier:1:3:1540522:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
25.7km (15.9 miles) ⓘVanderbilt mine, Esmeralda County, Nevada, USA
33.9km (21.1 miles) ⓘBirch Creek, White Mountains, Inyo County, California, USA
52.3km (32.5 miles) ⓘSusan prospect, Tokop Mining District, Esmeralda County, Nevada, USA
62.6km (38.9 miles) ⓘBishop Concentrate and Cleaning Company Mine (Bishop Tungsten Mines mill), Keough Hot Springs, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA
84.8km (52.7 miles) ⓘPine Creek Mine, Scheelite, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA
90.9km (56.5 miles) ⓘMcGee Creek headwaters area, Glass Mountain, Mono County, California, USA
98.2km (61.0 miles) ⓘLaurel Mountain, Mono County, California, USA
98.6km (61.2 miles) ⓘMcMillan Bentonite prospect, Pilot Mountains District, Pilot Mountains, Mineral County, Nevada, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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