Starsgem rough blue sapphire corundum stone 34# blue sapphire rough
Application
Cut sapphire stone
Hardness
7.8-8.5Moh's Scale
Clarity
Very clear
Property
Can standing high temperature
Quality
AAA
Refracting Index
1.75-1.76
Related material
synthetic corundum,spinel
Advantage 1
Strong production capacity
Advantage 2
Safest & fastest shipping
Emballage et livraison
Détails d'emballage
1)Small size packed with plastic bag, big size packed with tissue paper and tied with cushion rubber;2) Put the packaged goods into the carton box with the foam.The carton box will be sealed with viscose fabric to protect it