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Kern's OZG 497 also has a mechanical stand plus flexible tip and rotate function for a more complete view of the sample you're studying
Item weight: 75g / 2
Thickness of Gear: 5mm / 0
Max & Min Value Test
Size: ABOUT 5
0.45ct Square Cushion Cut Bi-Colour Sapphire 4.3mm Auracle Agt1 Plus Electronic Gold & Platinum Tester Kern's OZG 497 also hasSapphire 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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