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Fine Jewelry University Articles matching: “black opal ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … for long enough. A white opal can be darkened to have a gray body color, and gray opals can be darkened to have a black body color. A gemologist with right training and equipment will be able to detect this treatment. Opals can also …gems are manufactured using a thin slice of natural opal. In doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be …

  2. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    … a smooth glossy finish. It also can be made in almost any color possible. Ceramic rings are available in stunning black to very creative colors and can be found in a variety of finishes from matte to highly polish. Overall, ceramic … element which begins with a silver color. Zirconium is then heat treated and exposed which oxidizes it to a rich black color. The oxidization layer feels much like a ceramic and is as hard as sapphire. The black color is permanent. It …

  3. The Birthstones

    …lore surrounding garnets is that it 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 … the Middle Ages. It was, in particular, considered to be the stone of bishops and bishops still often wear amethyst rings. The Greek work “amethystos” basically can be translated as “not drunken.” Amethyst was considered to be a strong …

  4. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    … which can begin hours or even days after contact and may last for several weeks. Some people’s skin even turns black or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in … a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can avoid this type of discoloration simply …

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

    Gem in the Spotlight: Quartz

    … shades of pink, typically has a smooth, milky or hazy appearance Smoky Quartz Transparent brown Morion Dark-gray or black crystal quartz Rutilated Quartz Typically colorless and can have black or gold needle inclusions Ametrine Purple and… red with a fire of color Moss Agate Multiple shades of green or brown moss like inclusions in chalcedony Onyx Black, also white and black straight banded agate Jasper Opaque chalcedony, typically red to brown but can be various colors …

  6. The different parts of an engagement ring

    Anatomy of a Ring

    Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …

  7. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within the same gem), and some of these colors have … as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain …

  8. See the Star White Gold difference

    Star White Gold

    … grade 1 is premium. This means that when white gold is made, it can be yellowish to light yellow. When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very similar to platinum and rhodium …? Because they don’t know what the true color of the jewelry is when they buy it. I have seen a yellow gold ring heavily plated to look white. This was a true 14 karat yellow gold made to look white and it worked for a while. What the …

  9. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    Gem in the Spotlight: Sapphire

    … sacred and was worn by priests to show their connection to the sky and heaven. Sapphires were set in the Bishop’s ring as a symbol of unity between the priest, the sky and heaven. Sapphire has been associated with divine favor. The … Anglo-Saxons from 1042-1066, met a beggar one day. King Edward had nothing of value on him except for his sapphire ring, which he generously gave to the beggar. The beggar was really a messenger from God, who later returned the ring to …

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