Although sapphire is most favored, and most beneficial, in its deep blue variety, the precious stone occurs in all colours besides crimson, with which the gemstone can be identified as ruby. Corundum that may be even a shade less red than ruby is immediately known as sapphire — pink sapphire. https://mariorgwly.blogdigy.com/the-smart-trick-of-diy-beauty-treatments-that-no-one-is-discussing-40565567