| Locality type: | Placer |
| 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 Centauras Workings Placer, Robinson Bar Mining District, Custer County, Idaho, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 445787 |
| Long-form Identifier: | 1:3:445787:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.9km (0.6 miles) | ⓘThe Great Centennial Placer, Robinson Bar Mining District, Custer County, Idaho, USA |
| 17.6km (10.9 miles) | ⓘEnterprise Prospects, Stanley Basin Mining District, Custer County, Idaho, USA |
| 39.0km (24.2 miles) | ⓘInama Prospect, Toxaway Lake Area, Boise County, Idaho, USA |
| 40.0km (24.9 miles) | ⓘPayette placer, Unorganized District, Redfish Lake area, Boise County, Idaho, USA |
| 45.2km (28.1 miles) | ⓘThompson Creek Mine (Tungsten Jim Mine; Salmon River Scheelite Mine), Challis, Bay Horse Mining District, Custer County, Idaho, USA |
| 74.7km (46.4 miles) | ⓘDeadwood Mine, Deadwood Mining District, Valley County, Idaho, USA |
| 84.8km (52.7 miles) | ⓘParks Prospect, Yellow Jacket Mining District, Lemhi County, Idaho, USA |
| 86.4km (53.7 miles) | ⓘEagle Bird Mine (Viking Mines Inc.; Watkins Tunnel; Garfield Mine), Garfield Canyon, Little Wood River Mining District (Muldoon Mining District), Blaine County, Idaho, USA |
| 88.2km (54.8 miles) | ⓘRinebold Prospect, Roaring River Mining District, Elmore County, Idaho, USA |
| 90.6km (56.3 miles) | ⓘIron Creek deposit (Little No Name), Blackbird Mining District, Lemhi County, Idaho, USA |
| References |
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