Search Results
Fine Jewelry University Articles matching: “Fire Opal”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Opal
…. In everyday conversation, some people use this term to describe white opals while others use it to refer to black opals. Because of this, we typically avoid this term and use one of the more specific names whenever possible. Mexican Fire Opal: Known for its vibrant orange body color, many of these stones have little to no play of color. The best stones have strong greens and blues that flash through the orange body color. Boulder Opal: Boulder opals are gem opal material …
-
The Birthstones
… during 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, … fire of the ruby, the rich purple of the amethyst, the sea-green of the emerald. Opal‘s lore is as colorful as the opal itself. The ancient Greeks felt that the opal gave foresight and the gift of prophecy to the wearer. The Romans …
-
Gem in the Spotlight: Blue Zircon
…in jewelry to mimic diamond. Why? Natural zircon is known for its scintillation, 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, …, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. The Gemology of Zircon Why does zircon have so much more fire then other colored …
-
Gem in the Spotlight: Quartz
…see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It even attracted the attention of the US Federal Trade Commission which effectively banned its use when describing green… still has the appearance of wood (also called petrified wood) Agate Multi-colored chalcedony with curved bands Fire Agate Brownish red with a fire of color Moss Agate Multiple shades of green or brown moss like inclusions in chalcedony …
-
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 … the tourmaline deposits of Maine and California and praised the quality of the stones they produced. Along with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for …
-
The History of Diamond Cuts
… for the cutting style is more about sticking close to the natural diamond octahedral shape than the release of fire and brilliance we know today. The Old Mine cut follows the angles and shape of the octahedral diamond crystal to save on …, and a larger culet than the modern round brilliant cut. The modern round brilliant cut is designed to push its fire and brilliance up through the middle of the stone. On the other hand, the Old European cut looks less brilliant from the…
-
Jewelry Repair FAQ
…a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for repairs. Matching …gemological training, and years of experience. Of course, some gems are more difficult to match than others. Pearls, opals, and other gems with patterns in them (Blood Stone, Pietersite, etc.) are notoriously difficult to match. With …
-
Diamond Buying Guide: The 4 C’s
…. Some shapes, like round, are especially good at returning light to the viewer which makes them sparkle more than other shapes. The emerald cut, for example, gives a classic look with big flashes of light but very little sparkle or fire. Ultimately, it’s up to you to pick the shape that you like best. The second component to diamond cut is the way the facets are positioned on the diamond. When a diamond is cut to quality proportions (regardless of its shape) the …
-
Gem in the Spotlight: Iolite
… color you see is the natural color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small chips…
