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Planishing Block 50x50x20mm
Horolene’s fluids are ideal for the cleaning of all non-ferrous metals including brass and copper
AC adapter
100 x 100mm
Wooden base
1.18ct Octagon Cut Purple Sapphire 6.3x5.3mm Bergeon 7718-1A Auto Oiler Planishing Block 50x50x20mmSapphire 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: