Drawn illustration, not a photograph
Cordierite
Iolite
HindiNeeli
Violet-blue cordierite that changes to pale grey or yellow when turned. Sometimes chosen as an affordable alternative to blue sapphire.
- Mineral
- Cordierite
- Colour from
- Iron
- Hardness
- 7 to 7.5 on the Mohs scale
- Known sources
- India, Sri Lanka, Madagascar
What to look for
- A clear violet-blue when seen from the top
- A clean face
- Rarely treated
CareCan split with a sharp knock. Clean with warm, soapy water.
General guidance about the stone. Each actual stone is described individually, with its own photographs and any laboratory report, when you enquire.
Iolite, to wear.
Ask whether a ring, pendant, stud earrings or a bracelet with iolite is available, in gold, platinum or silver.