2.38ct Oval Faceted Grey Sapphire Certified Unheated 8.8x6.6mm Witschi Analyser Q1 & Q Test 6000 Cable Set 17 arbours for left hand

17 arbours for left hand No 00 - 15

NOTE: Microscope is not included

Measurement of Consumption: 0

160 - Made in UK

Yellow Handle

2.38ct Oval Faceted Grey Sapphire Certified Unheated 8.8x6.6mm Witschi Analyser Q1 & Q Test 6000 Cable Set 17 arbours for left handSapphire 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: