barmunda gems 4.00 Ratti Neelam Stone Natural Blue Sapphire Stone Original Certified Gemstone Sapphire Stone

Sapphire is a precious gemstone, formed from a mineral called corundum. Blue sapphires get their colour from titanium and iron trace elements. On the Mohs scale of mineral hardness, blue sapphire rates 9 out of 10, so it is a very durable gem. The word 'sapphire' comes from the Greek word sapphirus which means blue.