4.27ct Round Cabochon White Star Sapphire 8.9-8.5mm Gold punch Small reaming point

Name: 4.27ct Round Cabochon White Star Sapphire 8.9-8.5mm Gold punch Small reaming point
Brand: alprem-oprema.si
SKU: 24580047237
Price: 272.50 USD
Availability: InStock
Rating: 4.828900000000001 (25 reviews)

SKU: 24580047237

4.8

USD272.50 USD295.50

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Description

Small reaming point

Made of 45 high-carbon steel and alloy

Machine size: 33*33*37

Planishing Block 100x100x20mm

4.27ct Round Cabochon White Star Sapphire 8.9-8.5mm Gold punch Small reaming pointSapphire 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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