Gem Silica, Chrysocolla Chalcedony, Blue Chalcedony with Chrysocolla look-alikes
Chrysocolla (CuSiO3·nH2O) in Quartz (SiO2)
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Open the appSeveral rocks and minerals can be confused with Gem Silica, Chrysocolla Chalcedony, Blue Chalcedony with Chrysocolla. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
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Turquoise
CuAl6(PO4)4(OH)8·4H2O
Also known as: Callais
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ZnCO3
Also known as: Zinc Spar
Larimar
NaCa2Si3O8(OH)
Also known as: Blue Pectolite
Malachite
Cu2(CO3)(OH)2
Also known as: Copper Carbonate
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