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Tennantite

Formula: Cu6[Cu4(Fe,Zn)2]As4S13
System: Isometric
Colour: Grey-black, steel-gray, ...
Lustre: Metallic
Hardness: 3 - 4½
Streak: Reddish grey, black, red-brown

Photo

Tennantite, Quartz
Locality: Zacatecas, Mexico
A beautiful Zacatecas "hedgehog" of calcite crystals with crystals of tennantite in a ring around the base. Not just a good tennantite specimen, but overall a stunning Mexican specimen all around! 9.3 x 7.4 x 6.6 cm
Copyright © Rob Lavinsky


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