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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Weight 700g
10pcs VP15TF 16ER AG60 CNC external threaded inserts packed in a box
Identifies
US Type: 110-120V
Charging Interface: Micro USB
0.79ct Oval Faceted Sapphire 5.5x4.9mm watchmakers bench Weight 700gSapphire 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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