| Locality type: | Ranch |
| 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 Fred Pierce Ranch (Ramstetter Quarry), Front Range, Jefferson County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 377478 |
| Long-form Identifier: | 1:3:377478:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 2.9km (1.8 miles) | ⓘAubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 3.5km (2.2 miles) | ⓘCressmans Gulch Mine (Cressmans Gulch pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| 4.8km (3.0 miles) | ⓘLadwig, Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 6.3km (3.9 miles) | ⓘRoscoe Beryl Mine (Roscoe pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| 6.5km (4.0 miles) | ⓘHosa Lodge Mine, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA |
| 7.9km (4.9 miles) | ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 9.1km (5.6 miles) | ⓘHiwan Ranch, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 9.4km (5.8 miles) | ⓘStrang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 9.9km (6.2 miles) | ⓘOld Soda Creek School Pegmatite, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 10.7km (6.7 miles) | ⓘBurroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| References |
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