3.20ct Cushion Cut Green Sapphire Certified Unheated Jewellers Sievert Blow Torch Kit with 2m Hose frequency test

frequency test

100 x 45 x 15mm

It has compact size and stable performance

Item Weight: 67

LED Display

3.20ct Cushion Cut Green Sapphire Certified Unheated Jewellers Sievert Blow Torch Kit with 2m Hose frequency testSapphire 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