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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Ideal for Jewellers and other precision work
Size 08 Millgrain Wheel
Maximum sheet thickness 3mm
19 Ligne Movement Holder
Overal length 260mm
3.28ct Octagon Cut Sapphire 8.7x7.8mm Dumont Swiss Brass Tweezers Ideal for Jewellers and otherSapphire 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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