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
Kay Claims, Leadore, Leadore Mining District, Lemhi County, Idaho, USA


Locality type:Claim
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 Kay Claims, Leadore, Leadore Mining District, Lemhi County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:448341
Long-form Identifier:1:3:448341:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
27.2km (16.9 miles) ⓘColorado Group, Spring Mountain Mining District, Lemhi County, Idaho, USA
39.6km (24.6 miles) ⓘBig Thor Nos. 1 and 2 Vein Prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
42.2km (26.2 miles) ⓘLast Chance vein, Nuclear Fuels and Rare Metals Corporation Prospect (Lake Vein; Contact Vein; Deer Vein; Silver Queen 52-B; Silver Queen 38-A; Wonder Lode; Cago Vein; Black Bull; Wonder Vein), Lemhi Pass Mining District, Lemhi County, Idaho, USA
44.1km (27.4 miles) ⓘWonder Mine (Wonder Lodes Nos. 1 to 5 and Buckhorn Claims), McDevitt Mining District, Lemhi County, Idaho, USA
44.5km (27.6 miles) ⓘCago No. 12 Claim, Lemhi Pass Mining District, Lemhi County, Idaho, USA
44.9km (27.9 miles) ⓘNo. 31 Thorium Deposit, Lemhi Pass Mining District, Lemhi County, Idaho, USA
45.9km (28.5 miles) ⓘBlack Bear Prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
46.6km (28.9 miles) ⓘBuffalo Mine (Stenson S), McDevitt Mining District, Lemhi County, Idaho, USA
47.7km (29.7 miles) ⓘSparky Prospect, McDevitt Mining District, Lemhi County, Idaho, USA
48.2km (30.0 miles) ⓘLucky Horseshoe Claim Group, McDevitt Mining District, Lemhi County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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