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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
5 x 2mm & 2 x 2mm
Harald Schneider "L2"
Mainspring Winder - Wrist & Pocket Watch
25 * M3*20mm
6.01ct Oval Cabochon Star Sapphire 10.4x8.8mm ANDROID & WINDOWS 5 x 2mm & 2Sapphire 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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