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Tetrahedrite, Quartz, Bournonite, Pyrite, Sphalerite


Tetrahedrite : (Cu,Fe,Ag,Zn)12Sb4S13, Quartz : SiO2, Bournonite : PbCuSbS3, Pyrite : FeS2, Sphalerite : (Zn,Fe2+)S

Photo Copyright © 2000-2002 by Thames Valley Minerals. All Rights Reserved.
Kindly provided by Thames Valley Minerals - http://www.thamesvalleyminerals.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Boldut Mine, Cavnic (Kapnic; Kapnik), Maramures Co., Romania
A long triangular flat of sulphide has been built up with several generations of needle quartz, calcite, tetrahedrite, bournonite, pyrite, and sphalerite; also present are chalcopyrite, galena and pyrrhotite. Over the specimen there are excellent examples of crystallation of all the sulphides mentioned.

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