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Made of steel material
9ct" Straight Punch
then apply your testing acid to the stone rather than directly to the metal
It's easy to use with long service life
2 x Die Support Reduction Rings
2.00ct Octagon Cut Yellow Sapphire 7.9x5.7mm Witschi ChronoMaster Pro Made of steel materialSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. 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