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Drop forged
50mm & Ø1
Power: no more than 3mW
21 punches with a 21 punch dapping block
Bergeon 30350
0.87ct Octagon Cut Sapphire 5.8x4.3mm fake diamond tester Drop forgedSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur. 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 finest sapphires in colour and clarity are located in Kashmir, Myanmar and Sri Lanka. Nowadays the main sources of sapphires are:
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