| Locality type: | Pluton |
| 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 Vernal Mesa Quartz Monzonite, Black Canyon of the Gunnison River, Montrose County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1305290 |
| Long-form Identifier: | 1:3:1305290:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 13.5km (8.4 miles) | ⓘGoat Hill No. 1 occurrence, Montrose County, Colorado, USA |
| 13.5km (8.4 miles) | ⓘMuscovite Nos. 1; 2 Occurrence, Montrose County, Colorado, USA |
| 24.6km (15.3 miles) | ⓘBlack Canyon Beryl Prospect, Curecanti Needle Area, Gunnison County, Colorado, USA |
| 30.5km (19.0 miles) | ⓘLast Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison County, Colorado, USA |
| 61.8km (38.4 miles) | ⓘSugar Creek, Willow Creek Mining District, Gunnison County, Colorado, USA |
| 63.3km (39.4 miles) | ⓘStandard Mine, Ruby Mining District (Elk Mountain Mining District; Irwin Mining District), Gunnison County, Colorado, USA |
| 64.0km (39.8 miles) | ⓘThorium Prospects (MRDS - 10014575), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA |
| 66.0km (41.0 miles) | ⓘMt. Emmons/Crested Butte (Chautauqua; Daisey; Daisey Mine; Mt. Emmons; Crested Butte), Elk Mountain Mining District (Snowmass Mountain Mining District), Gunnison County, Colorado, USA |
| 66.4km (41.3 miles) | ⓘIron Hill deposit, White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA |
| 66.5km (41.3 miles) | ⓘPride of America Mine, Galena Mining District (Henson Creek Mining District), Hinsdale County, Colorado, USA |
| References |
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