The two are the same – it is speculated that heat produced naturally by geological events during the formation of the mineral caused the production of the naturally green deposits. Some natural sources of green quartz have been found however, the green amethyst sold as gemstones is heat-treated. Most amethyst turns yellow, orange or brown when heated, but amethyst containing iron compounds with specific properties (Fe2+ iron compounds) will turn green instead. Green amethyst is produced when heat is applied to a certain type of amethyst. This makes amethyst stone durable and an excellent gemstone for jewellery. Cut: Round, Oval, Pear, Square, Emerald, Marquise, Trillion, Heart.Chemical Composition: SiO2(silicon dioxide).Color: Green Amethyst has pale green colour.Green amethyst stones have rapidly become popular in recent years as this Light Green Gemstone has an eye-catching green shade that has become a favorite amongst jewelers, and people love to wear this Light Green Gemstone. Most Prasiolite stones are used in making jewellery and worn as birthstones. However, some amethyst turns green when treated. Most often, amethyst turns yellow or orange after heating, forming citrine. Prasiolite is rarely discovered in nature, but prasiolite stone is created through the heat treatment of Natural amethyst. Natural Green Amethyst – Genuine Green Amethyst – Prasiolite gemstone What is Prasiolite Stone? Pulled Czochralski Alexandrite (Color Change) ![]() After cleaning, pat dry with a soft towel or chamois cloth.Yellowish White (Diamond color) Hearts & Arrows Clean with gentle soap and lukewarm water, scrubbing behind the gem with a very soft toothbrush as necessary. Always store Rio Grande Green Amethyst carefully to avoid scuffs and scratches. Rio Grande Green Amethyst is a durable gemstone (Mohs’ Hardness: 7) well-suited to everyday wear. Ametista do Sul, a town in Rio Grande do Sul, reportedly has the earth’s largest deposit of Amethyst and is frequently described as the world capital for this gemstone. Brazil is the world’s leading Citrine producer and most production comes from Brazil’s southernmost state, Rio Grande do Sul. The state after which this Green Amethyst is named, Rio Grande do Sul, is a major producer of Quartz gemstones. ![]() Mined directly from host rock, Rio Grande Green Amethyst is typically found in vugs (small cavities in a rock or vein, often with a mineral lining). Prized for its exceptional quality, Rio Grande Green Amethyst hails from the Sierra do Cristal Mine (Mountain Range of the Crystal Mine) located in Irai in Brazil’s southernmost state of Rio Grande do Sul (Large River of The South). Green Amethyst is somewhat unusual, better-known amongst collectors, and very limited in its fine qualities (i.e. Tourmaline is the only other gemstone that possesses this property. ![]() All forms of Quartz are piezoelectric when heated or rubbed they create an electrical charge becoming a magnet that attracts lightweight objects. Cryptocrystalline (small crystal) Quartz gemstones include Agate, Chalcedony, Jasper, and Onyx. Rio Grande Green Amethyst is a variety of macrocrystalline (large crystal) Quartz, a group which also includes Amethyst, Citrine, Lavender Quartz, Madagascan Rose Quartz, Tibetan Quartz, and Tiger’s Eye. The modern name Quartz is derived from the Saxon word ‘querklufterz’, meaning cross-vein-ore. Although Quartz of sufficient beauty to be set into jewelry is not available in great abundance, it is found in many geological environments, is a component of almost every rock type, and is also the most varied mineral in terms of varieties, colors and forms. It is also known as Vermarine, Green Quartz, Lime Citrine or by its gemological name, Prasiolite (from the Greek words ‘prason’, meaning leek and ‘lithos’, meaning stone). Ranging in shades of green from pastel to deep forest greens (sometimes with secondary yellow and grey tints), Green Amethyst is the green variety of Quartz. Mostly mined in Brazil, Green Amethyst can be a confusing gem as it is traded under a variety of names.
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