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Fine Jewelry University Articles matching: “Greenish stone”

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Fine Jewelry University (Show All FJU Articles)

  1. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    …: is red, pinkish red, orangy red, or pink tourmaline. Indicolite: is dark blue, dark violetish blue, or dark greenish blue tourmaline. Paraíba: is a copper colored blue, intense violetish blue, or greenish blue tourmaline from Paraíba, …Tourmaline becomes electrically charged when under mechanical stress (squeezed or impacted). This effect allowed the stone to be used in early sonar systems in the First World War as well as in extremely sensitive pressure gauges in …

  2. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … the light source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the … known around the world as one of the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called …

  3. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    … being the deepest in color. Most aquamarine stones have a subtle green component, and in some markets, a deep greenish blue is the most desirable. Brazil is the most prolific supplier of aquamarine where it is often found in shades of blue-… to banishing fears and phobias. Aquamarine is a universal symbol of youth, hope, and health. In ancient times, the stone was said to aid seafarers. Sailors often wore amulets of aquamarine to give them courage and tame the ocean waves. …

  4. The Birthstones

    …Aquamarine Originating its name from the Latin “aqua marina” meaning “sea water”, the aquamarine is a light blue to greenish blue beryl, most valuable when it’s a shade of darker blue. Sailors often wore amulets of aquamarine to give them …January’s Birthstone: Garnet January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded … long-lasting love, and prevents hearing difficulties. Learn more about Garnet and Tasvorite Garnet February’s Birthstone: Amethyst Amethyst, transparent purple quartz, is the most important quartz variety used in jewelry. Purple has long …

  5. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    … different ways of saying “Quartz!” Crystal Name Color Amethyst Purple Citrine Yellow to reddish orange to brown, greenish yellow Prasiolite Green (often mistakenly referred to as Green Amethyst) Rock Quartz Clear Rose Quartz Various shades … at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some …

  6. Understanding the Diamond Buying Game

    …report to say. So the first problem you have to contend with is what lab graded the diamond and how they grade. Next, understanding a diamond report is not just seeing the four C’s grade to compare diamonds. The same lab can grade two stones H VS2 1.00 carat and the value of the two diamonds can be hundreds, if not thousands of dollars different. It is a favorite trick of some diamond wholesalers to use GIA labs for very poorly cut diamonds. The general public knows GIA …

  7. Platinum

    … an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it … wear. Its density and weight make it a durable jewelry metal. Platinum does not wear away and holds precious stones firmly and securely. Like all precious metals, platinum scratches. However, the scratch on a platinum piece is merely a …

  8. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    …damaging the enamel or leaving visible signs of the restoration work. Our laser can fix jewelry without removing the stones or running the risk of solder flowing into the hinge and destroying its mobility. Antique filigree that is broken … that broke from doing repair work. Now they can be done. The laser gives us the ability to fix jewelry with glass stones that a torch would overheat and destroy. Inexpensive jewelry that has great sentimental value but could not be fixed …

  9. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    … it impacted almost every artistic medium. Jewelry makers embraced materials such as enamel, horn, and semi-precious stones to create pieces that were not just adornments but works of art. Many Art Nouveau jewelry pieces were made in … quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but Old European cut stones were also included as they became more popular. In contrast, Art Deco arrived in the 1920’s and 1930’s, characterized…