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best-performing hand-held electronic gold tester with unmatched accuracy
1 * Test Probe
Pearl and Stone Gauge
it can allow you to finish your work faster than ever before
Holder made of carefully polished beechwood
3.51ct Oval Faceted Yellow Sapphire 9.5x8.2mm Stone Setting Assistant best-performing hand-held electronic gold testerSapphire 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
