Back to guide
Turquoise
Turquoise is valued for its blue to green appearance and distinctive natural character. Quality and value depend on color, clarity, cut, size, origin, treatment, and documentation.
- Mineral family
- Turquoise
- Chemistry
- CuAl6(PO4)4(OH)8·4H2O
- Mohs hardness
- 5-6
- Colors
- Blue to green
- Common origins
- Iran, USA, China
- Wearability
- Best in protected settings and requires careful wear.
Treatments and synthetics
Stabilization, dyeing, and reconstruction are common.
Care guidance
Use only a soft damp cloth and avoid heat, chemicals, impact, ultrasonic, and steam cleaning.
Buyer checklist
Confirm classification, treatment, dimensions, weight, origin claims, return terms, and any laboratory report before purchase.