Amethyst Raw Specimen Amethyst is a purple variety of quartz composed of silicon dioxide (SiO₂). It forms when quartz crystallises from silica-rich fluids, most commonly in hydrothermal veins and in cavities within volcanic rocks such as basalt. Like all quartz, amethyst has a hardness of 7 on the Mohs scale. The purple colour is caused by trace amounts of iron within the quartz crystal structure, modified by natural irradiation from surrounding rocks. Most of our Amethyst is sourced directly from Brazil. To find out much more information about Amethyst, including its metaphysical properties, visit our BLOG here. Price is for one raw specimen that will be intuitively chosen for you from our collection. Sizes and shapes will vary a little due to their natural formation.
