Spinel has a hardness of 8 on the Mohs scale. This beautiful piece of Spinel from Tunduru, Tanzania weighs 2.18 cts and measures 7x6x5mm.TUNDURU SPINEL 2.18 CTS 7X6X5MMSKU: SPEL#7 $220.00 Regular Price$66.00Sale PriceQuantityOut of StockNotify When Available