Sapphire is an aluminum oxide. Its colour varies from very light to dark blue to violetish-blue, bluish-green, yellow, slightly reddish-orange, brown, nearly opaque black, colourless, pink, violet and the pinkish-orange padparadscha
The Ceylon Blue Sapphire is known for its beauty ? possessing the glorious cornflower blue shade ? as well as for being one of the few sapphires in the world that can be sold as a completely natural stone without heat treatment. The blues aside, Ceylon sapphires also come in beautiful hues including pink, yellow, orange, green, purple, lavender and of course, the inimitable padparadscha sapphire ? named after the lotus flower. All these highly marketable qualities of Ceylon sapphire has created brand recognition world wide – a brand not created by the producers of the stone, but by the sellers and consumers.
A transparent variety of quartz, silicon dioxide, occurring in yellow to red-orange to orange-brown. The name is derived from citron, which is French for lemon.