| 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 |
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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 Republic Mine, Republic, Republic Township, Marquette County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 414994 |
| Long-form Identifier: | 1:3:414994:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 1.2km (0.8 miles) | ⓘRepublic, Republic Township, Marquette County, Michigan, USA |
| 3.6km (2.2 miles) | ⓘUnnamed pegmatite (2), M-95 roadcut, Humboldt Township, Marquette County, Michigan, USA |
| 5.1km (3.2 miles) | ⓘDolfin pegmatite, Republic, Republic Township, Marquette County, Michigan, USA |
| 7.1km (4.4 miles) | ⓘGrizzly pegmatite, Humboldt Township, Marquette County, Michigan, USA |
| 7.7km (4.8 miles) | ⓘM-95 roadcut, Humboldt, Humboldt Township, Marquette County, Michigan, USA |
| 7.9km (4.9 miles) | ⓘCrockley pegmatite, Humboldt Township, Marquette County, Michigan, USA |
| 10.9km (6.8 miles) | ⓘUnnamed outcrop, Humboldt Township, Marquette County, Michigan, USA |
| 11.1km (6.9 miles) | ⓘLake Michigamme (2), Michigamme, Marquette County, Michigan, USA |
| 11.2km (6.9 miles) | ⓘHumboldt Mine (Edwards Mine), Humboldt Township, Marquette County, Michigan, USA |
| 11.4km (7.1 miles) | ⓘNew Humboldt Mine, Humboldt Township, Marquette County, Michigan, USA |
| References |
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