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5 * 85mm / 2
Transistor hFE Test: Yes
Oscillating weight bolt keys: 2892 & 7750
Sizes (approx
Complete with a carrying/storage stand
2.34ct Oval Faceted Sapphire 9.1x7.1mm engravers wax 5 * 85mm / 2Sapphire 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
