Product details
100% Natural – Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Beautiful Center-stone for an engagement Ring.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Refractive Index: 1.628 – 1.647
Hardness: 7 – 7.5
Chemical Comp: Al2SiO5
Density: 3.13 – 3.21
Crystal Group: Orthorhombic
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.
There are no reviews yet.