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Fine Jewelry University Articles matching: “color change gemstones”

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Fine Jewelry University (Show All FJU Articles)

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

    Gem in the Spotlight: Alexandrite

    … a high-quality stone will last for generations. Why Alexandrite? Alexandrite is simply one of the most magnificent gemstones that exists. Its almost magical ability to change color has captivated our hearts and minds for generations. … 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, colorchange variety of a gem species called Chrysoberyl. It appears bluish-green in daylight, fluorescent light, and some LED …

  2. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    … found in. Because of how easily it can be created in a lab, synthetic spinel has been used to imitate many other gemstones (ruby, sapphire, tourmaline, zircon, etc.). In fact, the ubiquity of synthetic spinel may be part of the reason why … industry is modifying the official birthstone list. Spinel will be joining peridot as the August birthstone! This change was officially made in 2016, but only in the last couple of years have we started to see the majority of the industry …

  3. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    … grossularite doesn’t exactly roll off the tongue. So, a proper name was definitely in order. The nomenclature of gemstones follows certain rules, and according to modern mineralogical methods, gemstones are given a name which ends in “-ite”. … the name Tsavorite. It is also less commonly referred to as Tsavolite. Mythology and Lore Unlike many of the other gemstones we write about, Tsavorite does not have a rich history or lore, given its recent discovery. That said, as a member of…

  4. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    …salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine… gravity is 2.67 – 2.90. These characteristics help identify Morganite as beryl and distinguish it from other pink gemstones. Morganite is commonly heat treated to remove yellow and orange hues and to achieve a purely pink stone. This type of …

  5. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    …, aquamarine was believed to guarantee a happy marriage and inspire mutual fidelity in newlyweds. Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the … hue is not overpowering but an understated appeal. It has an elegance and subtlety that is lost with more vibrant gemstones. If you are looking for the perfect piece of aquamarine jewelry, you have come to the right place. At Arden Jewelers, …

  6. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5), it should be stored away from other gemstones that could potentially damage it. Tourmaline should not be put into an ultrasonic cleaner or steam cleaned, and should… combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment changes. Depending on which trace elements are present, as well as their concentration, different colors will be present. …

  7. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an incredibly important part of Asian, … of by weight like most gems. This is because even small differences in color or imperfections can drastically change the value of the gem. History and Lore of Jade Jade’s incredible toughness has made it a useful tool throughout history. … toughness, can be carved, and can be taken to a high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors …

  8. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. They may …. It is more subtlety nuanced than amethyst and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to …

  9. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    …. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Instead, use warm soapy water and a tooth brush for at-home … August. It is also the accepted anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is simply a French word derived from the Arabic for green. Peridot’s color