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Adjustable height with fine adjustment for convenient use
Applications: Wood Drilling
Material thickness
5) Eyeglass
Connect to the rotary tool easily and quickly
0.70ct Round Faceted Mauve Sapphire 5.2mm Casting Flask Ø90 x 65mm Adjustable height with fine adjustmentSapphire 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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