Description

100% Natural - Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Catseye effect.
Large Sizes are Extremely Rare!
Chatoyancy is Cats Eye gems is best seen in Bright Sunlight or by focusing a flashlight on the face of the gem

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.