Chalcopyrite
Gunung Bijih District, Mimika Regency, Papua Province, Indonesia
An incredibly hard to find specimen of crystallized chalcopyrite labeled as coming from the Grasberg Complex, which is now listed as the Gunung Bijih District (Grasberg District) on mindat.org. This piece features excellent, splendent, rich brassy colored, sharp, well-formed crystals of chalcopyrite measuring up to 4 mm, sitting on matrix. Most of ...
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