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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Weight: 100g
Used for temperature controlling in seafood aquaculture
Tourmalines can also display cat's eye chatoyancy
Material: High Speed Steel (HSS 6542)
1 Set of short pins: 2 x Ø0
0.83ct Pear Shape Sapphire 6.9x4.9mm MTG Automic Motorized Microphone Weight: 100gSapphire 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:
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