Often, these iron impurities are modified by natural irradiation from the surrounding rocks or host rock, giving the amethyst (quartz) its purple color. If you are in the market for a massive amethyst geode contact us and we can work with our partners in Uruguay to source something truly impressive for you.Īnother massive specimen, an amethyst cathedral measuring a staggering 21 feet high.Īmethyst forms when iron impurities make their way into silicon-rich solutions during the formation of quartz, which can occur through hydrothermal processes or the precipitation of mineral rich waters.
Dubbed the " Enchanted Cave" it was reportedly found by a farmer in Artigas, Uruguay and is pictured below. It measures an astounding 18 feet (5.5m) wide. But that record is dated and there are potentially several that have been found eclipsing that size.Ī more recently discovered amethyst geode currently located at the Crystal Castle & Shambhala Gardens in Australia weighs in at over 44,000 lbs (20,000 kg). It measures 9 feet 10 inches (3m) long, 5 feet 10 inches (1.8m) wide and is 7 feet 2 inches (2.2 meters) high. Amethyst geodes over 1m across are routinely excavated and can fetch a substantial amount of money being sold as show stopping, display pieces.Īccording to Guinness World Records, the amethyst one is a 28,660 lb (13,090 kg) behemoth currently located at the Shandong Tianyu Museum Of Natural History in China.
The 120 million old basalt flows near Artigas, Uruguay has produced some truly monstrous geodes which formed in gas bubbles that were trapped within molten lava as it cooled. It is very popular as a gemstone in jewelry and larger crystals and geodes are in high demand as impressive display pieces. An amethyst crystal cluster from the Democratic Republic of the Congo with particularly large crystals and deep coloration.Īmethyst is considered to be a semi-precious gemstone which has been revered throughout history, but can also be found in large, crystal filled geodes.
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