gemstone
Turquoise
CuAl6(PO4)4(OH)8·4H2O
AI-generated identification · may be incorrectMohs hardness of 5-6, distinct robin's egg blue to green color, waxy to sub-vitreous luster, and triclinic crystal system.
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Physical properties
Mohs hardness of 5-6, distinct robin's egg blue to green color, waxy to sub-vitreous luster, and triclinic crystal system.
Formation & geological history
Forms through the chemical action of meteoric water percolating through copper-bearing rocks in arid climates.
Uses & applications
Widely used in jewelry making, ornamental carvings, and inlay work.
Geological facts
It is one of the world's most ancient gem materials, prized by the Ancient Egyptians and Native Americans.
Field identification & locations
Identified by its unique blue-green color and often webbed matrix patterns; found majorly in the USA, Iran, and China.
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