2.13ct Cushion Cut Sapphire 8x6.3mm Horotec 07.116 Set of 13 dies Metal alert LEDs with buzzer

Metal alert LEDs with buzzer sound to ensure that the probe tip is in contact with gemstone during testing

The kit is suitable for usage in welding

These high quality

holes & oyster fittings

Working Temperature: 5℃~40℃

2.13ct Cushion Cut Sapphire 8x6.3mm Horotec 07.116 Set of 13 dies Metal alert LEDs with buzzerSapphire 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