gemstone

Turquoise jewelry beads/earrings

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly reconstructed or imitation turquoise

AI-generated identification · may be incorrect

Blue-green opaque material with waxy to subvitreous luster, commonly hardness 5–6 Mohs, cryptocrystalline structure, and no visible cleavage. The pictured pieces are polished and mounted with silver-colored metal findings; exact natural-versus-treated material cannot be confirmed visually.

Identified September 14, 2026More gemstone →

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At a glance

Common name: Turquoise jewelry beads/earrings
Scientific name: Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly reconstructed or imitation turquoise
Category: gemstone
Identified: September 14, 2026
Method: Standard

AI Estimated Value

Approximately $10–$50 for common commercial earrings; $50–$300+ for solid, natural turquoise with attractive color and documented provenance.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Turquoise forms as a secondary mineral in arid, oxidized copper deposits, commonly replacing aluminum-rich rock. Most gem-quality material is Cenozoic to Mesozoic in age, though deposits vary widely.

Uses & applications

Used primarily in jewelry and ornamental objects; historically valued by many cultures. Lower-grade or stabilized turquoise is common in commercial beads and earrings.

Geological facts

Its blue color comes mainly from copper, while greener tones may reflect iron. Porous turquoise is often waxed, stabilized with resin, dyed, or reconstructed from powder.

Field identification & locations

Common sources include Iran, the U.S. Southwest, China, Egypt, Chile, and Mexico. Check for natural matrix, uniform color, warm waxy feel, and unusually low weight; hardness, acetone, and destructive tests should be avoided on jewelry.