3.28ct Octagon Cut Sapphire 8.7x7.8mm Weishi 1900

3.28ct Octagon Cut Sapphire 8.7x7.8mm Weishi 1900Sapphire 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:

Height 30mm

Delivered direct from Factory

Hard polished head

Bergeon 30601-127-131

Package weight: 110g/3

Metal soft tube can be bent freely at any different angles and lens height and its position can be adjusted at will to meet the different needs of consumer

01MM you need and includes a gem weight estimating book

Witschi - Protective Box for Microphones & Micromat

Dimensions: 100 x 150mm

Built in power pack

100 pieces

then press the knob to change the setting digit