Saphir (gris) Cristal de roche / Rock crystal Paire de calcite vert pâle

Paire de calcite vert pâle

Dimensions: 19 x 15 mm

00 mm Weight: 14

Sky blue topaz is a pretty sky blue

Saphir (gris) Cristal de roche / Rock crystal Paire de calcite vert pâleSapphire is one of the four large gemstones along with diamond, emerald, and ruby. It belongs to the corundum family which also includes rubies and blue sapphires. All corundums have the same chemical composition and the same crystal system, however a tiny amount of "trace elements" is responsible for the color. Variety: Corundum Grey color Dimensions : 7. 76 x 4. 30 mm Weight: 0. 50 ct Shape: Fancy Treatment: Heating Hardness: 9 Actual product colors