Drawn illustration, not a photograph
Turquoise
Turquoise
HindiFiroza
Opaque sky-blue to green stone, prized for centuries. Persian turquoise is known for its pure, even blue.
- Mineral
- Copper aluminium phosphate
- Colour from
- Copper (blue) and iron (green)
- Hardness
- 5 to 6 on the Mohs scale
- Known sources
- Iran, United States, China
What to look for
- An even, intense sky blue
- A smooth, dense surface
- Stabilising or dyeing is common and must be disclosed
CarePorous. Avoid oils, perfume and heat; wipe with a dry cloth.
General guidance about the stone. Each actual stone is described individually, with its own photographs and any laboratory report, when you enquire.
Turquoise, to wear.
Ask whether a ring, pendant, stud earrings or a bracelet with turquoise is available, in gold, platinum or silver.