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Fine Jewelry University Articles matching: “Black tourmaline”
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Gem in the Spotlight: Tourmaline
Tourmaline is one of the most beautiful gems that you’ve probably never heard of. Less popular than the likes of ruby or … of gem collectors and connoisseurs who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can imagine, and people have most likely used and appreciated it for hundreds of years. …, before the advent of modern gemology, most tourmaline was believed to be ruby, sapphire, or emerald. Gemology of Tourmaline Gemologically speaking, tourmaline is its own mineral and not a species or member of a different family (unlike …
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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 …
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Gem in the Spotlight: Spinel
… shadows and be appreciated in its own right, and we can see why. Its colors rival even the best rubies, sapphires, tourmalines, and other more popular gems. For only the 3rd time in the last one hundred years, the industry is modifying the … 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 most people have been slow to…
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Gem in the Spotlight: Ruby
… of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned rubies in his work Natural History, including … 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 …
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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 …
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Gem in the Spotlight: Jade
…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 including pink, purple (often called lavender jade…
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The Birthstones
… sunset. Sapphire symbolized truth, sincerity and tradition. Learn more about Sapphire October’s Birthstone: Opal (Tourmaline) The opal has been described as containing the wonders of the sky’s sparkling rainbows, fireworks, lightning, and the …, and extreme temperature changes. To maintain the brilliance of opal, it should be wiped clean with a soft cloth. Tourmaline is also used as a birthstone for October. Learn more about Opal and Tourmaline November’s Birthstones: Topaz and …
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Gem in the Spotlight: Alexandrite
… in jewelry such as 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 …
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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 …
