4.67ct Oval Cabochon Star Sapphire 8.5x6.8mm Horotec 01.504 Screwdriver Sharpener Size: 90 x 30mm

Name: 4.67ct Oval Cabochon Star Sapphire 8.5x6.8mm Horotec 01.504 Screwdriver Sharpener Size: 90 x 30mm
Brand: www.atlanticmarineservices.co.uk
SKU: 96734743889
Price: 222.47 USD
Availability: InStock
Rating: 4.2457 (21 reviews)

SKU: 96734743889

4.2

USD222.47 USD258.47

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Description

Size: 90 x 30mm

just by holding it between a contact point and anvil

archaeology

Main material: stainless steel

4.67ct Oval Cabochon Star Sapphire 8.5x6.8mm Horotec 01.504 Screwdriver Sharpener Size: 90 x 30mmSapphire 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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