Rock crystal is a colourless transparent variety of quartz. This is the purest form of quartz. The name crystal comes from the Greek for ice, as it was believed that rock crystal was frozen for eternity.
Rock crystal can host a range of beautiful and fascinating inclusions. Rutilated quartz is rock crystal with lustrous golden blades. Strawberry quartz features red iron inclusions. The unrivalled transparency of rock crystal allows these beautiful inclusions to be seen to their full advantage.
Rock crystal is one of the birthstones for April, as an alternative to diamond. Rock crystal has been found in Brazil, China, France, Japan, Madagascar, Burma, Russia, Switzerland and the USA.