3.14ct Octagon Cut Sapphire 8.8x7.5mm Zeiss Loupe x6 + x3 (Ø22mm) 11 x 360 x 9

11 x 360 x 9

varying diameter dies for fitting very domed watch glasses

Practical tool for soldering work

and the bottom is non-slip

Small and exquisite

3.14ct Octagon Cut Sapphire 8.8x7.5mm Zeiss Loupe x6 + x3 (Ø22mm) 11 x 360 x 9Sapphire 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: