Whilst sapphire is hottest, and most worthy, in its deep blue wide range, the precious stone occurs in all colors except red, with which the gemstone could well be termed ruby. Corundum that's even a shade significantly less pink than ruby is automatically called sapphire — pink sapphire. In fact https://redstones26035.blogkoo.com/the-smart-trick-of-diy-beauty-treatments-that-no-one-is-discussing-46254156