In its purest form quartz is colourless and transparent. This material is also known as rock crystal. The presence of various impurities cause a wide variety of different colours. An example is amethyst whose purple colour is caused by iron.
Despite being one of the most abundant minerals on the planet, quartz crystals have amazed and fascinated man for thousands of years.
These AAA grade colourless transparent quartz crystals come from Brazil. Shapes weights and sizes vary slightly from piece to piece. They're classed as a large sized tumbled stone. We also have small and medium sizes available in our collection.
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