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Chrysocolla: (Cu,Al)2H2Si2O5(OH)4·n(H2O)
Comments: Botryoidal chrysocolla lining a vug. Location: Inca del Oro, Copiapó, Chile. Scale: 7.5 x 6 cm. © Fabre Minerals
Chrysocolla: (Cu,Al)2H2Si2O5(OH)4·n(H2O) Cuprite: Cu2O
Comments: Semi-metallic, dark reddish gray, cuprite crystals on blue chrysocolla. Location: Mashamba West mine, Shaba, Congo. Scale: 7.5 x 4.7 x 2.3 cm. © Fabre Minerals
Chrysocolla: (Cu,Al)2H2Si2O5(OH)4·n(H2O) Tenorite: CuO
Comments: Lustrous black botryoidal Tenorite mostly covering a sky-blue massive chrysocolla matrix. Location: 79 mine, Banner district, Pinal Co., Arizona. Scale: 5.5 x 3 cm. © Dan Weinrich