BLACK STAR SAPPHIRE 6 RAY 11.67 CTS - NATURAL SRI LANKA LOOSE GEMSTONE 21042
Product Code: | 21042 |
Availability: | In Stock |
- $580.00
$290.00
Carats | 11.67 |
Size | 14.10 x 13.96 x 5.46 mm |
Color | Black |
Clarity | OP |
Shape | Oval |
Treatment | None |
Origin | Sri Lanka |
Location | Colombo, Sri Lanka |
Price | $ 580.00 |
100% Natural - Not treated in any way.
Beautiful Center-stone for an engagement Ring.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Star effect.
A Gem of Lasting Beauty.
Large Sizes are Extremely Rare!
Asterism (or Ray Effect) is best seen in Bright Sunlight or by focussing 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.
Beautiful Center-stone for an engagement Ring.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Star effect.
A Gem of Lasting Beauty.
Large Sizes are Extremely Rare!
Asterism (or Ray Effect) is best seen in Bright Sunlight or by focussing 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.