Carats | 3.46 |
Size | 10.5 x 7.5 mm |
Color | Light Grey |
Clarity | TRC/VC |
Shape | Oval |
Treatment | None |
Origin | Sri Lanka |
Location | Colombo,Sri Lanka |
Price | $ 180.00 |
100% Natural - Not treated in any way. Rare Colectors Gem. Suitable for Museums,Institutions and Students of Gemology. Beautiful sharp Star effect. Among the Rarest of gemstones.
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.
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