![]() Historical pieces will be more valuable as time passes. It is important not only to look at the amount of mineral in a piece of jewelry, but also to look at its history. These varieties from Russia are reddish- and blue in color. ![]() Amethyst mined in Uruguay is usually lighter blue and purple in color than Amethyst mined elsewhere. It is known for its high refractive index, which is defined as having a crystal structure with a refractive value of 1.54 to 1.55. Amethyst that is either a weak or a light purple color, or has zones of both light and dark purple colors, is a less valuable material.Īmethyst has a hardness of seven on the Mohs scale, according to the Mohs scale. What Makes An Amethyst Valuable?Ī rich purple with rose flashes is the most valuable, especially for deep colors. When these geodes reach their highest level, players mining at that level have a good chance of finding one. Geodes range in price from $2 to $5 for common specimens, and up to several thousand dollars for exceptional specimens.Īmethyst geodes, despite their low prevalence, have a 20 percent chance of forming a geode from each piece. ![]() Geodes with perfectly formed amethyst, celestine, calcite, or other rare minerals crystals are among the most valuable. Geodes are extremely valuable to both their content and appearance. geodes of a size similar to a golf ball are priced between $2 and $3 at shows. Geodes with rare minerals sell for between $30 and $500 in mineral auctions. Geodes with non-spectacular quartz or calcite crystals can be purchased for between $4 and $12. The more intense the color, the more valuable the geode is.Īn amethyst geode can range in price from thousands to several million dollars. The third factor is the color of the amethyst. The more perfect the crystals, the higher the value. The second factor is the quality of the crystals. The larger the geode, the more valuable it is. The value of an amethyst geode is based on a few different factors. The word “geode” comes from the Greek word “geoides,” meaning “earthlike.” Amethyst geodes are found in many different parts of the world, but they are most commonly found in Brazil. An amethyst geode is a rock formation that contains a large cavity lined with crystals.
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