Amethyst cluster with flat base, A, 400-600g, Uruguay

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Amethyst is the purple variety of the quartz family. Its color ranges from light pink-violet to deep dark purple. When heated or formed under rare natural conditions, amethyst can appear as green prasiolite.
The main deposits are in Brazil, Uruguay, and Madagascar. Amethyst is known for its calming effect on the nervous system and is often used to promote serenity and healthy sleep. It is the classic stone for the brow and crown chakras.