Sì, Resistenza Al Calore fino a 1,700 °C / 3,092 °F
Durezza
9 ° Mohs
Densità
3.9g/cm3
Indice di rifrazione
1.7
Imballaggio e consegna
Pacchetto
Wholesale #114 Sapphire 1mm to 3mm Spinel Gemstone 1).Packed with vacuum bag. 2).Then put the packaged goods into the carton box with the foam. 3).The carton box will be sealed with viscose fabric to protect it.