Ryan Cosbert 2.15.14 4A


Iolite can from the Greek word "Ios" meaning Violet.

Cordierite was officially named after the French geologist, Pierre Cordier in 1813.

It's a transparent gem from Cordierite. The chemical formula is Mg2Al4Si5O18.

More about Iolite

This gem comes in a variety of beautiful colors which are: Blue, Purple, and Gray.

It's used in in all types of jewelry, especially rings, earrings, and pendants.

Also Iolite gemstones are natural and not treated. This gem is located in deposits are Madagascar, Myanmar (Burma), Sri Lanka (Ceylon), India, and Brazil.


Iolite's strong pleochroism earned it the misleading trade name of 'water-sapphire', a name now obsolete. From one direction, iolite can appear sapphire-like blue and from another, it can appear as clear as water.

Iolite in earings