While sapphire is hottest, and most useful, in its deep blue wide range, the precious stone takes place in all shades except red, with which the gemstone will be named ruby. Corundum that is definitely even a shade much less crimson than ruby is instantly named sapphire — pink sapphire. https://reidewmds.aioblogs.com/80482449/crimson-treasures-things-to-know-before-you-buy