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Swisotech S8161
Model Number: LM - 022
Specific purpose hand tool
Sticks to any work bench
American Calibration 1 - 15
1.88ct Round Faceted Bi-Colour Sapphire 6.9mm Crucible Swisotech S8161Sapphire 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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