| 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 Tongyugou Mine, Xinghai County, Hainan, Qinghai, China |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 909321 |
| Long-form Identifier: | 1:3:909321:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 15.3km (9.5 miles) | ⓘRilonggou Mine, Xinghai County, Hainan, Qinghai, China |
| 17.0km (10.5 miles) | ⓘSaishitang Mine (Saishentang Mine; Sashitang Mine), Xinghai County, Hainan, Qinghai, China |
| 21.4km (13.3 miles) | ⓘElashankou Ag-Pb-Zn deposit, Xinghai County, Hainan, Qinghai, China |
| 53.4km (33.2 miles) | ⓘKuhai Complex, Madoi County, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China |
| 88.0km (54.7 miles) | ⓘNageng Ag-polymetallic deposit, Dulan County, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China |
| 88.2km (54.8 miles) | ⓘDuolongqiarou Mo deposit, Dulan County, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China |
| 88.8km (55.2 miles) | ⓘReshui porphyry Mo deposit, Dulan County, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China |
| 92.8km (57.6 miles) | ⓘJiadanggen Cu-(Mo) deposit, Gonghe Co., Hainan, Qinghai, China |
| References |
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