100% Natural - Not treated in any way.
Rare Colectors Gem.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Andalucite - Beautiful Mix of Red and Green.
Refractive Index:1.628 - 1.647
Hardness: 7 - 7.5
Chemical Comp: Al2SiO5
Density: 3.13 - 3.21
Andalusite is named after Andalusia, the province of Spain where it was first discovered. Andalusite comes in a mix of Red and Green and is pleochroic;it is extremely difficult to cut- to orient the gem to get a pleasing mix of Red Orange and Green which are present in the gem.