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Amethyst: The purple Quartz mineral Amethyst information and pictures Amethyst is a well known mineral and gemstone It is the purple variety of the mineral Quartz, and its most valuable and prized variety Its name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light When used as a
African Amethyst - The Mineral and Gemstone Kingdom African Amethyst - The Mineral and Gemstone KingdomAmethyst originating from the continent of Africa This term in the gem trade usually applies to deeply colored or darker Amethyst
Amethyst Quartz - The Mineral and Gemstone Kingdom Amethyst Quartz - The Mineral and Gemstone KingdomMixture of Amethyst and Milky Quartz (or clear Quartz) It is purple on top and white or clear on the bottom It may also be banded purple and white Amethyst Quartz is usually tumbled or polished into beads
Green Amethyst - The Mineral and Gemstone Kingdom Green Amethyst - The Mineral and Gemstone KingdomLight green gem form of Quartz that is artificially colored by heat-treating certain types of Amethyst Also known as "Prasiolite" < Back
Agate with Amethyst - The Mineral and Gemstone Kingdom End portion of an oblong geode sawn and polished on one face to highlight the internal cavities lined with lustrous purple Amethyst crystals up to 3 mm across and translucent green Agate core sections
Amethyst Quartz: The purple gemstone Amethyst information and pictures Amethyst is the purple variety of the mineral Quartz, and is its most famous and valuable gem variety Quartz also contains other gemstones such as Citrine, Rose Quartz, and Smoky Quartz The color of Amethyst is most often caused by iron impurities, though it can also be colored by natural radiation exposure Amethyst is sometimes heat treated to deepen the color, or to transform it into
Siberian Amethyst - The Mineral and Gemstone Kingdom Siberian Amethyst - The Mineral and Gemstone KingdomTerm originally used to describe very deeply colored Amethyst from Siberia in Russia May also be incorrectly used in the gem trade to describe any deeply colored Amethyst
Botryoidal Fluorite on Amethyst - The Mineral and Gemstone Kingdom Two translucent yellow-gray Fluorite crystals in rare botryoidal formations to 21 mm diameter on light purple Amethyst crystals to 10 mm A rim of white microcrystalline Quartz surrounds the outer edges of the Fluorite