1.63ct Cushion Cut Sapphire 7x6.4mm Renata Essence 500ml the operation is simple

the operation is simple

Shallow elongated spear shape

High-Speed Steel (HSS)

0mil~80mil

12mm Single Opening Clasp

1.63ct Cushion Cut Sapphire 7x6.4mm Renata Essence 500ml the operation is simpleSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the