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Item description
Lab Created
Sapphire
Heart Cut Faceted Synthetic Gemstone
Size~: 3, 4, 5, 6, 7, 8, 9, 10mm
Type ~ Loose Gemstone
Main Stone ~Synthetic Sapphire
Stone Color~
Blue
Clarity~ Clean
Shape ~
Heart
Cut~ Excellent
Hardness: 7 on Mohs scale
Refractive Index: 1.65-1.7
Specific Gravity: 3.5-4
Dispersion: 0.015
Melting Point: 1700 degrees Celcius
It does not change color when heated. Can be used in wax casting