Quartz is a hard, silica-based mineral found around the world in metamorphic and igneous rocks. Typically occurring as white or colourless hexagonal prisms, quartz is often coloured delicately by impurities. Some of most popular Quartz materials used within interior design are: Amethyst, Smokey Quartz and White Quartz.
Agate is found in a variety of bright, translucent colours, including white, grey and black; blue, purple and green; red, orange and brown, as well as yellow. Agate is a form of microcrystalline, a finely grained form of quartz. Some of the most popular Agates used within interior design are: Natural Agate, Grey Agate and Black Agate.