7.48ct Mauve Octagon Cut Sapphire Certified Unheated and of Sri Lankan Origin 12x9mm Jewellery Boxes 1Ω/1Ω/10Ω/100Ω/1kΩ/10kΩ/100kΩ/1MΩ

1Ω/1Ω/10Ω/100Ω/1kΩ/10kΩ/100kΩ/1MΩ

For both hole and loop end mainsprings

A*F Swiss 142

1 Pack of 6 assorted cutting broaches with plastic handles Ø0

7.48ct Mauve Octagon Cut Sapphire Certified Unheated and of Sri Lankan Origin 12x9mm Jewellery Boxes 1Ω/1Ω/10Ω/100Ω/1kΩ/10kΩ/100kΩ/1MΩSapphire 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