| 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 Saxi Scheelite and Emerald Mine, Dayakou Hill, Mengdong Township, Malipo County, Wenshan, Yunnan, China |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 476181 |
| Long-form Identifier: | 1:3:476181:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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|
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| 8.0km (5.0 miles) | ⓘNanyangtian W deposit, Malipo County, Wenshan, Yunnan, China |
| 9.6km (6.0 miles) | ⓘDongfei W-Sn deposit, Malipo County, Wenshan, Yunnan, China |
| 12.8km (8.0 miles) | ⓘWazha W deposit, Malipo County, Wenshan, Yunnan, China |
| 13.5km (8.4 miles) | ⓘNanwenhe W deposit, Malipo County, Wenshan, Yunnan, China |
| 15.6km (9.7 miles) | ⓘDulong Sn-Zn deposit, Dulong ore field, Maguan County, Wenshan, Yunnan, China |
| 15.8km (9.8 miles) | ⓘManjiazhai ore segment, Dulong Sn-Zn deposit, Dulong ore field, Maguan County, Wenshan, Yunnan, China |
| 16.0km (9.9 miles) | ⓘWanlongshan Zn-Sn polymetallic deposit, Dulong ore field, Maguan County, Wenshan, Yunnan, China |
| 18.5km (11.5 miles) | ⓘXinzhai Sn deposit, Malipo County, Wenshan, Yunnan, China |
| 21.3km (13.2 miles) | ⓘChangtian W deposit, Maguan County, Wenshan, Yunnan, China |
| 84.8km (52.7 miles) | ⓘBao Ha deposit, Bảo Yên District, Lào Cai Province, Vietnam |
| References |
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Xue, G., Marshall, D., Zhang, S., Ullrich, T. D., Bishop, T., Groat, L. A., Thorkelson, D. J., Giuliani, G., Fallick, A. E. (2010) Conditions for Early Cretaceous Emerald Formation at Dyakou, China: Fluid Inclusion, Ar-Ar, and Stable Isotope Studies. Economic Geology, 105 (2) 339-349 doi:10.2113/gsecongeo.105.2.339 Tang, Zi-Chao; Zhao, Xiao-Yu; Deng, Ming-Guo; Li, Wen-Chang; Chen, Ying-Hua; Zhang, Qing-Ge; Zhang, Ding-Cai (2026) Scheelite geochemistry constrains the origin of W mineralization in the Laojunshan district, Southeast Yunnnan, China: Comparative studies from the Nanyangtian, Changtian and Saxi deposits. Ore Geology Reviews, 190. 107179 doi:10.1016/j.oregeorev.2026.107179 |
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