Although sapphire is most favored, and most valuable, in its deep blue variety, the precious stone occurs in all colors besides red, with which the gemstone could be referred to as ruby. Corundum that is definitely even a shade fewer purple than ruby is quickly termed sapphire — pink sapphire. https://plants-and-herbs79134.boyblogguide.com/26456695/a-simple-key-for-aromatic-herbs-unveiled