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electronics
2 * 5cm / 9
Package size: 18 * 15 * 10cm / 7
5 * 4cm / 7
Overal Diameter Ø200mm
Round Faceted Pink Sapphire 3.25mm mainspring winder electronicsSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. 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
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