| Locality type: | Tunnel |
| Classification |
|---|
|
| 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 Ophelia Tunnel (Gold Exploration; Moffat Tunnel), Cripple Creek Mining District, Teller County, Colorado, USA |
| Data Identifiers |
|---|
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| Mindat Occurrence Record ID: | 432630 |
| Long-form Identifier: | 1:3:432630:4 |
| GUID (UUID V4): | 67779ae5-710a-4ac3-a94a-d4dd931535ab |
| Nearest other occurrences of Biotite |
|---|
|
|
| 2.9km (1.8 miles) | ⓘGold Sovereign Mine (Jackson Shaft), Cripple Creek Mining District, Teller County, Colorado, USA |
| 16.6km (10.3 miles) | ⓘPikes Peak, El Paso County, Colorado, USA |
| 19.9km (12.4 miles) | ⓘMount Rosa, El Paso County, Colorado, USA |
| 22.1km (13.7 miles) | ⓘCameron Cone, Crystal Park, El Paso County, Colorado, USA |
| 22.4km (13.9 miles) | ⓘStove Mountain (Cookstove Mountain), El Paso County, Colorado, USA |
| 23.0km (14.3 miles) | ⓘBlack Cloud Mine, Teller County, Colorado, USA |
| 23.7km (14.8 miles) | ⓘSentinel rock (Specimen rock), Pikes Peak, El Paso County, Colorado, USA |
| 23.8km (14.8 miles) | ⓘSpecimen Rock, El Paso County, Colorado, USA |
| 23.8km (14.8 miles) | ⓘCrystal Park area, Crystal Park, El Paso County, Colorado, USA |
| 26.4km (16.4 miles) | ⓘRosemont Mine (East Mine), Micanite Mining District (Currant Creek Mining District), Fremont County, Colorado, USA |
| References |
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