Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Songshujiao ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China


Locality type:Ore Field
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
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Songshujiao ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:1836743
Long-form Identifier:1:3:1836743:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
16.2km (10.1 miles) ⓘGaosong deposit, Gaosong ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
17.1km (10.6 miles) ⓘHonghe REE deposit, Gejiu City, Honghe, Yunnan, China
17.3km (10.7 miles) ⓘLaochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
17.5km (10.9 miles) ⓘZhuyeshan deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
17.6km (11.0 miles) ⓘMalage ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
20.2km (12.6 miles) ⓘTangziwa deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
23.1km (14.3 miles) ⓘKafang ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
35.2km (21.9 miles) ⓘPuxiong regolith-hosted REE deposit, Puxiong, Jianshui County, Honghe, Yunnan, China
36.9km (23.0 miles) ⓘGejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
40.4km (25.1 miles) ⓘBainiuchang Ag-polymetallic deposit, Mengzi City, Honghe, Yunnan, China
References
Liu, Yanbin, Zhang, Lifei, Mo, Xuanxue, Santosh, M., Dong, Guochen, Zhou, Hongying (2020) The giant tin polymetallic mineralization in southwest China: Integrated geochemical and isotopic constraints and implications for Cretaceous tectonomagmatic event. Geoscience Frontiers, 11 (5) 1593-1608 doi:10.1016/j.gsf.2020.01.007
 
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