gemstone

Turquoise inlay ring

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O

AI-generated identification · may be incorrect

The visible blue-green inlays appear to be polished turquoise, but the photo cannot confirm the material. Turquoise has Mohs hardness 5–6, a waxy to subvitreous luster, and a triclinic crystal structure; the ring setting is metal.

Identified September 26, 2026More gemstone →

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Physical properties

Formation & geological history

Turquoise forms as a secondary mineral when copper-rich fluids alter aluminum- and phosphorus-bearing rocks, commonly in arid-zone deposits. Its age depends on the deposit and cannot be determined from the image.

Uses & applications

Used in jewelry and ornamental objects; the ring’s value depends on whether the inlay is genuine turquoise, its quality, and the metal setting.

Geological facts

Turquoise’s color ranges from sky blue to green and can be affected by iron content and weathering.

Field identification & locations

The image shows a ring with small rectangular blue-green stones; inspect their color and matrix, and test hardness or composition only with appropriate expertise. Major sources include the southwestern United States, Iran, and China.