Beautiful Center-stone for an engagement Ring. Will make a Gorgeous Ring or Pendent accented with Diamonds. 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: 1.759-1.778 Hardness: 9 Chemical Comp: AL2O3 Density: 4.00 Crystal Group: Hexagonal. Star Sapphires display a 6 rayed star - By light reflecting off the silky crystallizations of rutile inside called asterism.Star Sapphires comes in a range of colors but the finer Blues, Reds, Green yellow orange and Padparaschas are extremely rare. Some color-change Corundum also displays asterism, and is called Color-change Star Sapphires. Top-quality sapphires are extremely rare. Beauty, magnificent color, transparency, and durability are the main features. Color and asterism determines the value of a star sapphire. Sri Lanka is known for the finest and the largest sapphires in the world. Add a map to your own listings.
The item "STAR SAPPHIRE DEEP BLUE 2.27 CTS SRI LANKA NATURAL GEMSTONE 14480" is in sale since Friday, October 26, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires". The seller is "cresla" and is located in Colombo. This item can be shipped worldwide.