![]() Mask of Xiutecuhlti, god of fire | Turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminium. It is rare and valuable in fine grades and has been prized as a gemstone and ornamental stone for thousands of years. Turquoise was among the first gems to be mined.![]() | ![]() Aztec turquiose |
Saturday, June 16, 2018
Ancient Turquoise
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