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C39416 has face with 15 ring punch indentations
Manufactured for both angular and flat surfaces producing outstanding results
Temperature range: Indoor & Outdoor -50 ~ +70℃ (-58 ~ +158°F)
Witschi Chronoscope X1 (G3) Micromat C Microphone Included Touch screen For Mechanical Movements
Built-in lithium battery
2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Urethane Pad 150 x 150mm C39416 has face with 15Sapphire 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$ 999.50
US$ 175.00