Tennantite with Contrasting Quartz
Collection
John Betts - Fine Minerals
Description
Milky white Quartz crystals up to 4 mm with scattered dark metallic Tennantite-Tetrahedrite crystals to 8 mm. Both Tennantite and Tetrahedrite occur at this locality, often within a single crystal. Ex. J. Cilen (1916-1997) #20246
Locality
El Cobre Mine, Concepcion del Oro, Zacatecas, Mexico
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