2.13ct Cushion Cut Sapphire 8x6.3mm Presentation boxes Product Features: watch repair tool

Product Features: watch repair tool

27 * Rings

A great jewellery tool for stone setting

-- Flex shaft

0 to 60-minute timer

2.13ct Cushion Cut Sapphire 8x6.3mm Presentation boxes Product Features: watch repair toolSapphire 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