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Green amethyst rock11/11/2023 ![]() Use our helpful chart below to source your size. Lay the paper strip flat and measure it with a ruler or measuring tape (make sure to do this in millimeters) and then divide the result by 3.14. ![]() Make a mark with your pencil where the paper touches. Simply encircle your chosen finger so the paper strip snugly fits around it. You can easily do this at home using a slim strip of paper and a pencil. Prasiolite (also known as green amethyst), is a heat-treated form of amethyst. It is important to measure the finger on which you intend to wear the ring for the most suitable fit. If you are hoping to wear a thicker band of ring, make sure to go up a full size, as these designs tend to have a tighter fit than slimmer bands. Also make sure your hands are warm, as temperature can also affect their size. I can pretty much guarantee this incredible piece will. Your fingers get a little bigger towards evening time, so try not to measure in the morning. Sometimes referred to incorrectly as green amethyst it was mined from. This will make sure you have a ring that is made for your finger alone.įirstly, make sure to measure at the right time of day. You can use our size guide below once you have measured your finger using some advice from our experienced jewelers. Their study revealed three interesting items.The perfect ring must have the perfect fit. 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. These conditions occur in basaltic lava tubes, igneous hydrothermal deposits, and metamorphic fissures. The name " emerald" is, by definition, a variety of the mineral beryl with a rich green color. Amethyst forms in cavities or fissures where there is hot (120480☏, 50250☌) silica-enriched water, trace amounts (10100 ppm) of ferric iron (Fe 3 +), and gamma radiation. 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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