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
Crystal Park Occurrence (Hot Springs Creek; Price Creek), Pioneer Mining District, Beaverhead County, Montana, USA


Locality type:Occurrence
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 Crystal Park Occurrence (Hot Springs Creek; Price Creek), Pioneer Mining District, Beaverhead County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:497401
Long-form Identifier:1:3:497401:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.7km (4.2 miles) ⓘJacobson Meadows Occurrence, Pioneer Mining District, Beaverhead County, Montana, USA
41.6km (25.8 miles) ⓘCalvert Mine (Calvert Hill Mine; Calvert Tungsten Mine; Red Button Mine), Calvert Hill Mining District, Beaverhead County, Montana, USA
54.3km (33.7 miles) ⓘHungry Hill Mine (Jerry Hurley Property; Mountain View), Eldorado Mining District (Geertson Mining District), Lemhi County, Idaho, USA
61.4km (38.1 miles) ⓘCamp Creek Corundum Occurrence, Beaverhead County, Montana, USA
61.8km (38.4 miles) ⓘSparky Prospect, McDevitt Mining District, Lemhi County, Idaho, USA
62.3km (38.7 miles) ⓘLucky Horseshoe Claim Group, McDevitt Mining District, Lemhi County, Idaho, USA
62.4km (38.7 miles) ⓘLucky Horseshoe prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
62.7km (38.9 miles) ⓘBuffalo Mine (Stenson S), McDevitt Mining District, Lemhi County, Idaho, USA
62.9km (39.1 miles) ⓘNo. 31 Thorium Deposit, Lemhi Pass Mining District, Lemhi County, Idaho, USA
64.4km (40.0 miles) ⓘIdaho Thorium Showing No. 3 Occurrence, McDevitt Mining District, Lemhi County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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