原石重量
According to the size
Name
Round cabochon different size 5mm 8mm 10mm ruby stone
Other Name
corundum/lab-created ruby/ loose gemstone
Mohs scale of hardness
8.5
Refractive index of Cubic Zirconia
2.17,2.15
Ruby stock
small loose ruby are in stock
usage
shoes and watches,fashion jewelry , ring,attached on clothes,etc
Origin of place
Guangxi,China(Mainland)