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Dish Cone (Large) Shot
Will reduce sizes H to Z + 3
File sizes: Ø3
Carat Weight (ct): 19
Big handle Ø22mm
3.28ct Octagon Cut Sapphire 8.7x7.8mm Witschi Watch Expert II & III’ Clock Clamping Microphone Dish Cone (Large) ShotSapphire 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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