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Holds metal firmly in position at 30°/60°/45°/90° angles
seam edge grinding process
The media and any compound you use should just barely be wet with no standing water It is advised to clean your magnetic finisher pins after each batch
Overall size: 265 x 170 x 45mm
7.31ct Oval Cabochon Star Sapphire 12.6x9.7mm hand press Holds metal firmly in positionSapphire 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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