| 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 |
|---|
|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Nye-Mathews mine (Wilma mine), Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 652083 |
| Long-form Identifier: | 1:3:652083:0 |
| GUID (UUID V4): | a70e86cb-e821-46a3-b62e-08055c84cc28 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 8.5km (5.3 miles) | ⓘBurlington - Iowa Group, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| 10.0km (6.2 miles) | ⓘWaterloo Mine, Russell Gulch, Gilpin County, Colorado, USA |
| 11.9km (7.4 miles) | ⓘHudson Tunnel, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 13.7km (8.5 miles) | ⓘMurry Mine, Lawson Mining District (Dumont Mining District; Montana Mining District), Clear Creek County, Colorado, USA |
| 15.1km (9.4 miles) | ⓘMartha E. Adit, Jackson Mining District (Corral Mining District), Clear Creek County, Colorado, USA |
| 15.1km (9.4 miles) | ⓘBell of the West (Martha E; Billie; Ariadne; Little Topsy; Bruce; Alabama; Yankee Girl; Mammoth; Le Roi; Black; Emily; Crazy Girl; Baby Eddy), Lamartine Mining District, Clear Creek County, Colorado, USA |
| 15.4km (9.6 miles) | ⓘStrang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 16.1km (10.0 miles) | ⓘAjax Mica Mine (Floyd Hill Mica Mine), Clear Creek Pegmatite Province, Clear Creek County, Colorado, USA |
| 17.1km (10.6 miles) | ⓘDevils Canyon, Clear Creek County, Colorado, USA |
| 18.3km (11.4 miles) | ⓘGrover Mine (Grover pegmatite; Windsor), Clear Creek County, Colorado, USA |
| References |
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