Whilst sapphire is most widely used, and most useful, in its deep blue wide variety, the precious stone occurs in all hues except pink, with which the gemstone might be known as ruby. Corundum that's even a shade fewer purple than ruby is mechanically called sapphire — pink sapphire. On https://beauty-hub13589.arwebo.com/49789568/rumored-buzz-on-diabetes-type-2