2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Elma Watch winders Practical for all clocks

Name: 2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Elma Watch winders Practical for all clocks
Brand: www.eunic-austria.at
SKU: 48414699126
Price: 1284.50 USD
Availability: InStock
Rating: 4.7857 (29 reviews)

SKU: 48414699126

4.8

USD1284.50 USD1314.50

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Description

Practical for all clocks

Ø33 x 32mm

1 Support Bergeon No

16 x 14 & 18 x 16mm

2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Elma Watch winders Practical for all clocksSapphire 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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