Hardness is another thing, Aside from quite a few Many others, which differentiates sapphires from other gemstones. It truly is 2nd only to diamond and scores a 9 out of ten within the hardness scale. Do sapphires are available in another colour In addition to blue? The rigorous yellow hue https://minibookmarks.com/story17974966/an-unbiased-view-of-sri-lankan-yellow-sapphire