APATITE CATS EYE 8.20 CTS NATURAL SRI LANKA LOOSE GEMSTONE 21093

100% Natural – Not treated in any way.
Rare Collectors Gem
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Cats eye effect.
A Gem of Lasting Beauty.
Razor Sharp Silver Ray

Refractive Index: 1.63-1.64
Hardness: 5
Chemical Comp: Phosphate group
Density: 3.17-3.23
Crystal Group: Hexagonal

Apatite Cats-eyes are also popular with fairly good chatoyancy.

Apatite comes in attractive colors – blue, violet, purple, yellow-green and, blue-green. Although a soft material, it is widely used in jewellery due to iits bright and attractive colors. Apatite is also very heat sensitive.