| Locality type: | Mine |
| 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 Rusty Gold Mine (Copper Blush occurrence), Jamestown Mining District, Boulder County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 743318 |
| Long-form Identifier: | 1:3:743318:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 6.5km (4.1 miles) | ⓘBeryl No. 1 claim, Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.2km (5.1 miles) | ⓘWilson beryl prospect, Gold Hill Mining District, Boulder County, Colorado, USA |
| 26.9km (16.7 miles) | ⓘBennett Mine (Hell Hole claims), Wheeler Basin, Grand County, Colorado, USA |
| 26.9km (16.7 miles) | ⓘWheeler Basin, Grand County, Colorado, USA |
| 31.5km (19.6 miles) | ⓘEast Inlet area, Grand County, Colorado, USA |
| 32.9km (20.5 miles) | ⓘStrang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 33.1km (20.6 miles) | ⓘThe Narrows, Big Thompson Canyon Area, Larimer County, Colorado, USA |
| 33.5km (20.8 miles) | ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 34.0km (21.1 miles) | ⓘNye-Mathews mine (Wilma mine), Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA |
| 39.7km (24.7 miles) | ⓘCressmans Gulch Mine (Cressmans Gulch pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| References |
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