August, 2017

More about… sapphires

Pure forms of the mineral corundum are known as the gemstones sapphire and ruby. All corundum of gemstone quality that is not red is sapphire. There are green and yellow sapphires, but the colour that is most often associated with this stone is blue.

Cornflower blue, dark blue or steel blue: they come in many hues. Good-quality blue sapphires are one of the most valuable gemstones. This stone has been beloved from time immemorial, and people have ascribed all sorts of characteristics to ...