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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Weight 8oz (225g)
Software Version: V1
16mm (5/8th) Ø Finger Hole
Hardened steel point
0.79ct Oval Faceted Sapphire 7.5x4.8mm lapping machines Weight 8oz (225g)Sapphire 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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