Most people think of Sapphires as being blue, and this is certainly the most commonly seen colour. But they’re also found in shades ranging from the gold of a sunrise to the luminous violet of a twilight or the deep indigo of a summer evening. Colours other than blue include grey, pink, orange, yellow, green, brown, clear and parti (a mix of greens, golds and blues). The highly prized blue is a lustrous cornflower shade, with a hint of violet,..
Peridot (also sometimes called Chrysolite) is the gemstone derived from the mineral Olivine, so named because it’s coloured olive-green, with a tinge of gold. Olivine is a magnesium iron silicate, and it’s the iron that produces the greenness. Peridot is found in rocks that have erupted during volcanic activity, and it also occurs, much more rarely, in certain types of meteorites from outer space. The origin of the name Peridot is uncertain. It could derive from the Arabic word faridat..