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Biotite from
Thorium Prospects (MRDS - 10014575), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, 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 Thorium Prospects (MRDS - 10014575), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:376722
Long-form Identifier:1:3:376722:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.3km (2.1 miles) ⓘIron Hill deposit, White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
6.1km (3.8 miles) ⓘThorium Prospects (MRDS - 10087971), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
6.2km (3.8 miles) ⓘPowderhorn Prospect (Cebolla Creek), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
17.8km (11.1 miles) ⓘSugar Creek, Willow Creek Mining District, Gunnison County, Colorado, USA
27.4km (17.0 miles) ⓘGold Basin District Occurrence (MS 1984; Patented Claim: Belle Flora), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
29.0km (18.0 miles) ⓘLucky Strike Mine (Modoc; MS 17455; Horse Shoe; MS 17122; Belle Valaisane; MS 13897; Only Chance; MS 17455; Mammoth; MS 13897; Patented Claims: Lucky Strike; MS 9125), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
29.4km (18.3 miles) ⓘGreen Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
29.6km (18.4 miles) ⓘGunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, USA
33.8km (21.0 miles) ⓘLast Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison County, Colorado, USA
39.4km (24.5 miles) ⓘPride of America Mine, Galena Mining District (Henson Creek Mining District), Hinsdale County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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