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Multi-purpose set comes with a wide variety of burrs
6¾ x 8 Ligne Movement
Twist handle to turn LED on and off
Simple yet practical design
Colour - White
2.24ct Octagon Cut Sapphire 8.2x6.4mm Gemoro Pro-D 3 Diamond Tester Multi-purpose set comes with aSapphire 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