Learn about Sphalerite
a spectrum of colors and crystal forms, resinous to adamantine luster, gemmy on matrix; prized by collectors for iconic localities and displays.Mid-Continent Mine
Mid-Continent Mine, USA: Tri-State locality famed for rubyjack sphalerite, metallic galena, chalcopyrite, and amber calcite on chert; prized for vuggy, three-d…
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