Locality type: | Prospect |
Classification |
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Species: | 'Biotite' (not an IMA approved species) |
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Biotite data |
Locality Data: | Click here to view Wilson beryl prospect, Gold Hill Mining District, Boulder County, Colorado, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 432517 |
Long-form Identifier: | 1:3:432517:8 |
GUID (UUID V4): | b2015694-e878-4a0e-a176-9577b1730290 |
Nearest other occurrences of Biotite |
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8.2km (5.1 miles) | ⓘRusty Gold Mine (Copper Blush occurrence), Jamestown Mining District, Boulder County, Colorado, USA |
23.6km (14.6 miles) | ⓘWheeler Basin, Grand County, Colorado, USA |
23.7km (14.7 miles) | ⓘBennett Mine (Hell Hole claims), Wheeler Basin, Grand County, Colorado, USA |
24.9km (15.5 miles) | ⓘStrang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
26.2km (16.3 miles) | ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
26.3km (16.3 miles) | ⓘNye-Mathews mine (Wilma mine), Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA |
32.0km (19.9 miles) | ⓘBurlington - Iowa Group, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
32.3km (20.1 miles) | ⓘCressmans Gulch Mine (Cressmans Gulch pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
32.6km (20.3 miles) | ⓘAubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
33.0km (20.5 miles) | ⓘFred Pierce Ranch (Ramstetter Quarry), Front Range, Jefferson County, Colorado, USA |
References |
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