CHRYSOBERYL CATS EYE 8.30 CTS 15850 BEAUTIFUL SILVER RAY. 13 x 10.6 mm. 100% Natural - Not treated in any way. Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Cats eye effect. Large Sizes are Extremely Rare. A Gem of Lasting Beauty. Asterism (or Ray Effect) is best seen in Bright Sunlight or by focusing a Flashlight on the face of the gem. Refractive Index: 1.741 - 1.760 Hardness: 8.5 Chemical Comp: BeAl2O4 Density: 3.73 Crystal Group: Orthorhombic. The Chrysoberyl cat's eye is a miracle of Nature! This gem has a thin Bright Silver band of light on a shimmering golden background, and glides across the surface. Fine inclusions in the stone are responsible for this phenomenon called chatoyancy. The incident light is reflected in such a way that that a bright strip of light appears running perpendicular to the inclusions.
The item "CHRYSOBERYL CATS EYE 8.30 CTS NATURAL SRI LANKA GEMSTONE 15850" is in sale since Saturday, August 25, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Chrysoberyl". The seller is "cresla" and is located in Colombo. This item can be shipped worldwide.
- Shape: Oval
- Country of Origin: Sri Lanka
- Country/Region of Manufacture: Sri Lanka
- Cat's Eye: Yes
- Natural/Lab-Created: Natural
- Length: 13 mm
- Width: 10.6 mm
- Certificate: CGJ
- Cut Grade: Good
- Transparency: Translucent
- Treatment: None (No Enhancement)
- Brand: Cresla
- Total Carat Weight (TCW): 8.30