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Ground & lapped finished measuring faces
Durston 1508
Quick Calibration & Conversion - Press the CALIBRATE button to calibrate the angle gauge to any reference surface & press UNIT button to convert between relative/absolute angles in degrees and tilt percent
High grade D3 tool steel
1.20ct Cushion Cut Mauve Faceted Sapphire 6.8x5.3mm Bergeon 16200 Bushing Tool Complete Set Ground & lapped finished measuringSapphire 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:
US$ 1845.00
US$ 1800.00
US$ 1650.00
US$ 9200.00