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Biotite from
Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, 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 Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:375499
Long-form Identifier:1:3:375499:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.5 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
7.1km (4.4 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
9.6km (6.0 miles) ⓘGreen Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
12.8km (7.9 miles) ⓘSugar Creek, Willow Creek Mining District, Gunnison County, Colorado, USA
23.7km (14.7 miles) ⓘBlack Wonder Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
25.6km (15.9 miles) ⓘPowderhorn Prospect (Cebolla Creek), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
25.9km (16.1 miles) ⓘBrown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
26.0km (16.2 miles) ⓘBrown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
27.4km (17.0 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
27.5km (17.1 miles) ⓘIron Hill deposit, White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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