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50mm Barrel Arbor Holder
Vallorbe 2414 - Swiss Made - Invest in the Best
The bracelet block allows accurate positioning for watches with leather or metal bracelets
For closing snap on watch case backs or indeed watch glasses
ensure engraving with good quality and high efficiency
2.96ct Oval Faceted Sapphire 9.36x7.6mm 950 (Platinum) Straight Punch 50mm Barrel Arbor HolderSapphire 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: