Chalcopyrite on Sphalerite - Tri-State Mining District, USA

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Species: Chalcopyrite on Sphalerite 

Locality: Tri-State Mining Dist., USA

Size: 6.7 x 4.5 x 2.8 cm 

Weight: 122 g 




An eye grabbing combo out of an old collection! The iridescence of the sphalerite is superb, and the odd growth (sphenoidal) of chalcopyrite is classic! Unfortunately, the tag left behind just read “Tri-State Area.” So an exact locale might be hard to gather, as all three states have produced similar specimens.


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