Warning: You appear to be using an obsolete browser, and soon you may not be able to access our website. We strongly recommend that you upgrade your browser as soon as possible.

Search Results

Fine Jewelry University Articles matching: “rohdolite garne”

Showing only FJU Article results. Click here to show all results.

Fine Jewelry University (Show All FJU Articles)

  1. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    Garnet’s rich history and varieties demonstrate garnets are more than the little red gem. Garnets allow for great personal…cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones…Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, …greens, and of course many shades of red. Garnets are given as symbols of consistency, perseverance and good health. Garnet is also regarded as the gem of faith, constancy and truth and possesses many curative powers. Garnets are given as …

  2. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    … rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high … the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called Demantoid. Demantoid, however, is a completely different variety of garnet found primarily in Russia. …

  3. The Birthstones

    January’s Birthstone: Garnet January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded with one … yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given as symbols of consistency, perseverance and good health. Garnet is also regarded as the gem of faith, …protects the wearer from nightmares, promotes 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 …

  4. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    …became a popular diamond simulant in the 1950s. The 1960s brought the development of two simulants: Yttrium Aluminum Garnet (YAG) and Gadolinium Gallium Garnet (GGG) . Both are man-made diamond simulants. It is important to reiterate here …

  5. Synthetic Gems: The Whole Story

    … took over a hundred years and millions of dollars of research to create what nature can produce. Man made gems come in many forms. Every thing from simple glass to plastic to high tech chemical tongue twister like gadolinium gallium garnet (also called GGG) and the modern diamond simulant Moissanite, a man made silicon carbide. In gemology, any material used to look like a gem is called a simulant. So clear glass, rock quartz, GGG, and Moissanite are all diamond …

  6. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    …by far are dyed quartz, glass, and plastic. These imitations can be identified quickly by a trained gemologist. Other stones that have been confused with jade over the years are chrysoprase, serpentine, maw sit sit, and hydrogrossular garnet. For a short amount of time, a few laboratories produced synthetic (lab-created) jadeite. This proved to be unprofitable and was quickly forgotten; however, a small amount of it remains on the market and it is mostly undetectable …

  7. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … and polishing, with the best pieces eventually showcased at the Tanzania National Museum. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and Cleaning of Tanzanite While tanzanite is stable and won’t be harmed under normal conditions the low…

  8. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    … as Burma), where rubies were first discovered more than 4,500 years ago. Other significant sources of rubies include Thailand, Vietnam, Sri Lanka, Tanzania, Mozambique, and Madagascar. Before modern gemology, for thousands of years, garnets, rubies, and spinel have been mistaken for each other. Famously, the Black Prince Ruby (formerly thought of as the largest cut ruby) at the center of the British Imperial State Crown, is actually a red spinel. History and Lore of …

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

    Gem in the Spotlight: Alexandrite

    … earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-change phenomena. There are color-change varieties of many gems including sapphire, tourmaline, spinel, garnet, etc. Alexandrite is, however, the most famous for it. It is so famous, in fact, that color-change itself is often called “The Alexandrite Effect.” Stunning color change on a natural alexandrite. Alexandrite History and Lore Alexandrite…