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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Can switch Chinese and English sequentially
Flexible arms each with a large swiveling alligator clip
1 * User Manuall
Great accessory also for cutting plastics
0.36ct Round Faceted Sapphire 4.0x2.4mm Wax Designing Ring Mandrel Kit Can switch Chinese and EnglishSapphire 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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