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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
application: Watch Back Case Opener Remover rack
Steel/blue case
Sold Singly
Size: 28mm flat x 28mm height x Ø16mm
0.92ct Oval Faceted Blue Sapphire 6.5x4.7mm Pickelex Pickle Bath 5 Litre Pickle Unit application: Watch Back Case OpenerSapphire 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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