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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Freibergite Subgroup from
Kangjiawan Pb-Zn-Ag-Au deposit, Shuikoushan ore field, Changning Co., Hengyang, Hunan, China


Locality type:Deposit
Classification
Species:'Freibergite Subgroup' (not an IMA approved species)
Formula:(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Comments:Note on the references: Li (1991) does not actually report freibergite. He presents EMPA data of samples from this locality, which he refers to as "freibergite", but the analyses show that the material is really argentiferous tetrahedrite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Freibergite Subgroup data
Locality Data:Click here to view Kangjiawan Pb-Zn-Ag-Au deposit, Shuikoushan ore field, Changning Co., Hengyang, Hunan, China
Data Identifiers
Mindat Occurrence Record ID:35242
Long-form Identifier:1:3:35242:6
GUID (UUID V4):0
Nearest other occurrences of Freibergite Subgroup
4.8km (3.0 miles) ⓘYagongtang Mine, Shuikoushan ore field, Changning Co., Hengyang, Hunan, China
5.4km (3.4 miles) ⓘYagongtang Pb-Zn-Au deposit, Shuikoushan ore field, Changning Co., Hengyang, Hunan, China
89.7km (55.7 miles) ⓘQingshuitang Pb-Zn deposit, Qiyang, Yongzhou, Hunan, China
94.5km (58.8 miles) ⓘBaoshan ore field (Baoshan Mine), Guiyang Co., Chenzhou, Hunan, China
References
Chuanyi Yang (1985): Geology and Prospecting 21(5), 1-7
Zhengqin Li (1991): Acta Mineralogica Sinica 11(2), 148-154
Weining Zhou (1994): Mineral Resources and Geology 8(4), 233-244
Zeng, N., Izawa, E., Motomura, Y., Lai, L. (2000) Silver Minerals and Paragenesis in the Kangjiawan Pb-Zn-Ag-Au Deposit Of the Shuikoushan Mineral District, Hunan Province, China. The Canadian Mineralogist, 38 (1) 11-22 doi:10.2113/gscanmin.38.1.11
 
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