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Half Round (6
Vallorbe 1464 - Swiss Made
Overall Length: 260mm
Complete with fittings (including open minute hand nut)
1 * Stand Base
0.81ct Round Faceted Blue Sapphire 5.4mm Horotec MSA 03.622 Half Round (6Sapphire 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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