Chrysocolla : Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O, x < 1
Malachite : Cu2(CO3)(OH)2
As recorded:
Orogrande Mining District, Otero County, New Mexico, USA
Photo added to mindat.org
“Blue Chrysocolla green Malachite on black Limonite matrix, Specimen 13 cm. Photo by Frank L. Murray”
Frank L. Murray - 8th September 2006
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