Stannoidite, Bornite, Chalcopyrite
Tada mine, Inagawa-cho, Kawabe District, Hyogo Prefecture, Japan
Stannoidite is a rare copper, iron, zinc, tin sulfide and is extremely rare in specimens from any worldwide locality. Brass-gray metallic stannoidite is scattered amongst iridescent, magenta to purple bornite and iridescent, golden-metallic chalcopyrite in matrix on this very colorful specimen. Two sides have been sawed and one side polished, ...
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