![]() ![]() 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) Their study revealed three interesting items.Yellowish White (Diamond color) Hearts & Arrows In 2012, the Jewelers Vigilance Committe commissioned Harris Interactive to conduct a study that included the collection of consumer perception evidence on varietal names. These names can be considered enticements that can deceive some consumers into paying inflated prices for heliodor and prasiolite. ![]() Both incorrectly apply the varietal name. The FTC is very clear that they do not like the terms "yellow emerald" used to market heliodor and "green amethyst" used to market prasiolite. (2) Use of the term "green amethyst" to describe prasiolite. (1) Use of the term "yellow emerald" to describe golden beryl or heliodor. (b) The following are examples of markings or descriptions that may be misleading: (a) It is unfair or deceptive to mark or describe an industry product with the incorrect varietal name. Section § 23.26 of the Federal Trade Commission's Summary of Basis and Purpose for the Revised Jewelry Guides addresses misrepresentation as to varietal name. Vendors should make a conscious effort to avoid any incorrect variety names as they could result in claims of deception or misrepresentation. These names have a long history, and their use avoids confusion with a different material. Specimens of beryl with a yellow color can properly be called heliodor, yellow beryl, or golden beryl. Such names are especially problematic when the name "emerald" is applied to varieties of beryl with a lower value than emerald. These uses are also misrepresentations of the variety name. Using the word "emerald" as a name for other colors of beryl or for other green materials is incorrect. ![]() The name " emerald" is, by definition, a variety of the mineral beryl with a rich green color. It is also a green variety of quartz that is produced by heat treatment or irradiation of amethyst and other quartz materials. Prasiolite is a green variety of quartz that occurs naturally. The proper name for the green quartz that people are calling "green amethyst" is prasiolite. It is a misrepresentation of the variety name. Using the word "amethyst" as a name for other colors of quartz or for other purple materials is incorrect. The name " amethyst" is, by definition, a variety of the mineral quartz with a purple color. If you are a buyer or a seller of gems marketed under the names "yellow emerald" or "green amethyst" the Federal Trade Commission (FTC) wants you to know this: "It is unfair or deceptive to mark or describe an industry product with the incorrect varietal name." Table of Contents ![]()
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