STAR SAPPHIRE 1.27 CTS - NATURAL SRI LANKA GEMSTONE - 19109

Description

Cresla Gemstore
STAR SAPPHIRE 1.27 CTS 19109
EXTREMLY RARE COLLECTORS GEM GEM
Carats
1.27
Size
5.9 x 5.2 mm
Color
Light Grey
Clarity
VSI
Shape
Oval
Treatment
Heated
Origin
Sri Lanka
Location
Colombo,Sri Lanka
Price
$ 49.00
Description
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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