The purple variety of quartz. The location where Amethyst is found can influence colour – African amethyst tends to be quite dark in high grades and Brazilian amethyst tends to a medium purple hue. “Rose de France Amethyst” is a pale lilac with a pink tint and is also called “pink amethyst”. When purple amethyst is heated it can turn green – this can happen naturally or can be treated by heat. This light sage green amethyst is called “greened amethyst”, “green amethyst” or “prasiolite”. “Cape amethyst” is a variety with purple and white banding.
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