His composition is some silicate of iron and magnesium. His indication of hardness is 6.5.
They find it in Sri Lanka, in Madagascar, and in Oriental Africa.
KORNEPURINEProduct no.: KOR001
Size : 10.70 X 8.80 mm X 5.50 mm depht
Weight : 3.50 karats
Shape : oval
Colour : champagne
Quality : VVS
Origin :SRI LANKA
Delivery period: 2 working days