Dioptase : CuSiO3·H2O
Chrysocolla : Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O, x < 1
Mindat locality:
Photo added to mindat.org
“Bright green dioptase crystals up to 2 mm on brown matrix and chrysocolla. Specimen is approximately 8 cm across.”
J. Wingard - 30th November 2000
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