Learn about Chrysocolla
sky-blue to teal-green copper silicate; botryoidal coatings and stalactites, often with quartz drusy, valued for color and locality; ID tips.L'Etoile du Congo Mine
L'Etoile du Congo Mine, DR Congo — a classic Katanga locality known for cornetite, malachite, and chrysocolla; notable oxide-cap specimens and blue-green druse…
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