While sapphire is most widely used, and most valuable, in its deep blue assortment, the precious stone happens in all shades other than pink, with which the gemstone could well be known as ruby. Corundum which is even a shade a lot less pink than ruby is quickly called sapphire https://red-gemstones91246.iyublog.com/26514222/the-best-side-of-black-mamba