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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
precise control of temperature
Removable boxes size 25 x 25mm
through the attachment
Maximum height 145mm
Package size: 10 * 8 * 6cm / 3
2.60ct Oval Faceted Green Sapphire 8.7x7.2mm Bergeon 5537 Rolex Oyster Case Opener precise control of temperatureSapphire 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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