This stunning Druzy Quartz Geode Slice measuring 17cm long displays a gorgeous snow-white colour and sparkling druzy crystals. The Quartz has been hand-polished to enhance the lustre of its surface. What Is Quartz Made Of? Quartz is a silica mineral primarily composed of silicon dioxide. The Quartz family of minerals encompasses a wide range of stones, including sub-sets such as Chalcedony gems like Jasper and Agate. Quartz can occur in many colours, such as purple Amethyst, golden-yellow Citrine, and grey-brown Smoky Quartz. Where Does Quartz Come From? Quartz can be found in many locations worldwide including the USA, India, and Brazil. This particular piece was sourced from Morocco.