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Graphite crucible
makes it very convenient to carry
Ø40mm WG Labels
Perfect tool for making custom wood frames for gifts and customizing your wood projects
2.05ct Oval Faceted Sapphire 8.2x6mm Bergeon 6200F K Series Reamers Graphite crucibleSapphire 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