原石重量
According to the size
Name
Round yellow corundum yellow sapphire gem bangkok yellow sapphire
Other Name
yellow sapphire/sapphire stone/golden sapphire stone/apphire gems
Gemstone Quality
AB,A,AA,AAA,AAAAA
Mohs scale of hardness
8.5
Refractive index of ruby
2.17,2.15
Sapphire stock
small loose sapphire are in stock
usage
shoes and watches,fashion jewelry , ring,attached on clothes,etc