underthescopemineral: Chalcopyrite Cu1+Fe3+S2 Locality: Interst…





Interstate 691 and State Route 10 Interchange, Cheshire, New Haven Co., Connecticut, USA

Subject of View: 2.5 mm

Iridescent chalcopyrite on datolite.

David L. Busha’s Photograph

Chalcopyrite is a serious ore of copper. A main mineral in hydrothermal veins, stockworks, disseminations, and large replacements; an exsolution product in mafic igneous rocks; of sedimentary origin managed by redox circumstances. 

Geology Nerd

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