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Fine Jewelry University Articles matching: “Swiss blue”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Blue Zircon
…, brilliance, and flashes of color or fire just like diamond. Zircon also is known for its variety of colors. Blue zircon is the most popular color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown… yellow variety of Zircon. Matura Diamond is another trade name for colorless Zircon. Starlite is the name for the blue gem variety of Zircon. The color of Starlite is rarely natural, and is almost always heat treated. Of course, the blue…
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Gem in the Spotlight: Topaz
…. Gem suppliers use a neutron bombardment method in a nuclear reactor to produce the London Blue Topaz. An electron bombardment in a linear accelerator results in the light Sky Blue Topaz. If both treatments are used, they produce Swiss Blue Topaz. Determining where one color ends and the next color begins is always a difficult call in gemology. The rule of thumb is simply that the light blue is Sky, the middle blue is Swiss, and the dark blue is London. There are many trade …
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Gem in the Spotlight: Tanzanite
… diamond. But, what makes Tanzanite so popular is its color. Tanzanite’s gorgeous color is a captivating mix of blue and purple. The deep hues of violet, indigo, and blue come together in an unrivaled blend only found in tanzanite. Yet, … commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the …
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Gem in the Spotlight: Sapphire
… for thousands of years. Kings and queens have always believed that sapphires represent divine favor. The color blue was considered sacred and was worn by priests to show their connection to the sky and heaven. Sapphires were set in the … remains there, decorating the Imperial Crown ordered by Queen Victoria. Deriving its name from the Greek word for blue, sapphire used to refer to any blue stone. By the late 1800’s, the sapphire and ruby were recognized as gem varieties …
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Gem in the Spotlight: Aquamarine
Aquamarine derives its name from the Latin which literally means “seawater,” a tribute to its beautiful blue color. As a member of the beryl family, Aquamarine has some illustrious cousins in addition to a rich history of its… the true spirit of the sea. aquamarine was believed to guarantee a happy marriage Best known for its beautiful blue color, aquamarine was used to bring happiness, eternal youth, and control passion. In the body, aquamarine was thought to… large crystals. Aquamarine’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a subtle green component…
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Gem in the Spotlight: Iolite
Iolite is maybe not the 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 … endeavors. Iolite is a special gemstone that is absolutely wonderful in jewelry. The subtle range of hues from blue to violet makes for elegant rings, pendants, and earrings. All in all, iolite is a great value
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Gem in the Spotlight: Tourmaline
… colors have their own names: Rubellite: 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 …
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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 …. Learn more about Peridot and Spinel September’s Birthstone: Sapphire Deriving its name from the Greek word for blue, sapphire used to refer to any blue stone. By the late1800’s, the sapphire and ruby were recognized as gem varieties of…
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Gem in the Spotlight: Ruby
… Sunrise Ruby was eventually set by Cartier into a ring along with two diamonds weighing a total of 5 carats. In 2015, Sotheby’s put the ring up for auction where it sold for a record setting $30.42 million dollars to an anonymous Swiss buyer. Care and Cleaning of Ruby Rubies are sturdy stones, but are still vulnerable to breakage and chipping. Don’t apply hairspray, makeup, lotions and the like while wearing rubies. They can leave residue on the ruby that will dull …
