 
             
            Chemical Formula: Al2SiO4(F,OH)2 Fluor containing aluminum silicate
            Refractive Index:1.619-1.627
            Hardness:8 Mohs
            Melting Point:High Temperature ,Wax Casting
            Orignal:Brizil,Nigeria ect.
            White Topaz is the birthstone of November. It is known as “Friendship of the Gems”
            The colorless of white topaz is purity and transparent so that lovly by people .
            MCG Brand White Topaz is heat treatment.It can improve quality and increase
            efficiency of wax setting ,in the meanwhile to save prodution times.