This necklace features polished green turquoise set with sterling silver components. Turquoise is a hydrous phosphate mineral of copper and aluminum (CuAl₆(PO₄)₄(OH)₈·4H₂O), and its green coloration is caused by varying copper and iron content within the mineral.
Details:
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Material: Natural green turquoise with sterling silver
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Appearance: Green to blue-green stone, with natural veining
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Formation: Forms in arid regions through the oxidation and weathering of copper-rich deposits
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Physical Properties: Mohs hardness 5–6, waxy to subvitreous luster
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Educational Value: Demonstrates phosphate mineral formation, trace-element effects on color, and secondary mineralization processes
This sterling silver green turquoise necklace combines natural beauty with geological education, making it both a striking accessory and a tangible example of mineral science.
