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best-performing handheld electronic gold tester with unmatched accuracy – PATENTED with Patents Pending
Weight - 300g
Focus range: 0～40mm
Equalling (3029)
2.22ct Oval Faceted Yellow Sapphire Certified Unheated 9.3x6.5mm Horotec Swiss Watch Bezel Remover best-performing handheld electronic gold testerSapphire 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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