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20 (X) Robur Die
Select the closest size to your design and sculpture with minimum waste
It is equipped with a built-in electromagnetic radiation sensor
Up to 30°C
the single push will be followed 3 short beeps (the time in between each beep will determine the battery charge)
0.5ct Pear Shape Sapphire 5.4x4.2mm 750ml Barrelling Machine 20 (X) Robur DieSapphire 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$ 59.50
US$ 900.00