SOLD
MD-119807
Tennantite, Quartz
Cobre Mine, Concepcion del Oro, Mun. de Concepcion del Oro, Zacatecas, Mexico
Cabinet, 11.9 x 7.6 x 4.4 cm
Ex. Dr. Gary Hansen
SOLD
This is a very large and very rich specimen of tennantite crystals with quartz, a classic old Zacatecas piece out of the collection of Gary Hansen. The tennantites here measure up to over 2 cm. Many shiny-metallic faces show. Other faces have a pretty "antique copper" patina from the copper content (tennantite is Copper Arsenic Sulfide) .

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