AQUAMARINE CATS EYE 21.42 CTS – NATURAL SRI LANKA LOOSE GEMSTONE 21119

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!
A Gem of Lasting Beauty.
Aquamarine: Fascinating Sea-Blue belonging to Beryl Family

Chatoyancy is Cats Eye gems is best seen in Bright Sunlight or by focusing a flashlight on the face of the gem

Refractive Index: 1.577(+-.016), 1.583 (+-.017)
Hardness: 7.5
Chemical Comp: Be3Al2 (SiO3)6
Density: 2.67-2.745
Crystal Group: Hexagonal

Aquamarine Cats-eyes are fairly rare – a collectors gem Aquamarine Cats-eye comes in a variety of Blue shades from sky blue to deep Sea- blue, and are Highly Lustrous. Aquamarine is a fascinatingly beautiful gemstone. The color is due to Iron, and derives its name from “Aqua”, The color of Water to a strong sea-blue.