The dull green was followed successively by amber, white opal, blue opal, straw opal, sea-green, horn colour and various pale tints of soda-lime glass, ranging from yellow to blue.
For other forms of silica see OPAL and TRIDYMITE.
The finest opal known is obtained in the Upper Cretaceous formation at White Cliffs, near Wilcannia, New South Wales, and at these mines about 700 men find constant employment.
Experiments were also tried with a violet-coloured glass, a violet opal, a transparent black and with glasses shading from red to blue, red to amber and blue to green.
The opal was mined here Boo years ago, and the largest piece hitherto found, weighing 2940 carats and estimated to have a value of £175,000, is preserved in the Court Museum at Vienna.
Other precious stones, including the sapphire, emerald, oriental emerald, ruby, opal, amethyst, garnet, chrysolite, topaz, cairngorm, onyx, zircon, etc., have been found in the gold and tin bearing drifts and river gravels in numerous localities throughout the states.
The mineral is also used in the production of opal glass and enamel ware.
Hungary is the only country in Europe where the opal is found, namely at the famous mines of Vorosvagas in the county of Sáros, and at NagyMihaly in that of Zemplin.
"We will meet after we dine this evening," Opal said.
Opal, meet me in the command center, A'Ran directed.
Hungary is the only country in Europe where the opal is found, namely at the famous mines of Vorosvagas in the county of SÃ¡ros, and at NagyMihaly in that of Zemplin.
When looking at color, the opal should appear equally brilliant when turned in any direction.
These types of opals have the least opal content even compared to doublets and are always priced significantly lower than the solid and doublet types.
Unscrupulous jewelers may pass off the total weight of the doublet as the weight of the stone and you will end up paying the opal's carat value for the total weight of the doublet, including the background stone or material.
You can buy opal jewelry from a number of jewelers online.
Pasarel has an eclectic selection of opal rings, pendants and brooches with antique designs.
It is found in the form of oxide (silica), either anhydrous or hydrated as quartz, flint, sand, chalcedony, tridymite, opal, &c., but occurs chiefly in the form of silicates of aluminium, magnesium, iron, and the alkali and alkaline earth metals, forming the chief constituent of various clays, soils and rocks.
Many semi-precious and precious stones are found in Utah, including garnet (long sold to tourists by the Navaho Indians), amethyst, jasper, topaz, tourmaline, opal, variscite (or " Utahlite "), malachite, diopside and Smithsonite.
She was surprised to recognize the Council members, from tall, thin Opal to the Council members whose names she'd never learned.
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The chief economic product of the Desert Sandstone is opal, which occurs in it at White Cliffs and Wilcannia.
A'Ran responded by tipping his chin, and Jetr's attention returned to Opal, who had been speaking too long already.
Opal, the head of the Council, rose gracefully, pulling A'Ran from his thoughts.
The opal beds contain Cretaceous fossils such as Cimoliosaurus.
Figure 5. The aging process of Casa Montero's cherts: X-Ray diffraction pattern of opal and opaline chert obtained from the same nodule.
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The opal polycarbonate diffuser is ideal for use with the range of 100mm high, self adhesive safety signs.
Opal ventured out of the cat flap for her first wander round the garden today.
And now, you can can have opal in your jewelry collection on necklaces, earrings, and even charms.
Lightning Ridge, to the northwest, is a frontier town where the world's only source of black opal is to be found.
Opal After tea, the audience returned to their seats and Terry Davidson introduced Ross Chapman to talk about Australian opal After tea, the audience returned to their seats and Terry Davidson introduced Ross Chapman to talk about Australian opal.
Explore our research pages to see some stunning images of opal and inverse opal and to learn more about these exciting materials.
The common opal is often opaque and displays very little iridescence, where as the precious opal has many flashes of color.
opal polycarbonate diffuser is ideal for use with the range of 100mm high, self adhesive safety signs.
opal detector at LEP.
opal glass shade, stamped 'W A S Benson ' to the foot.
opal lamp in 1921, followed by the pearl lamp in 1927.
Other colors are the precious black opal, and the fire opal, a rich orange color.
Over a populated placed slightly wider diamond pearl opal pay the other.
Can they retrieve his memory in time to defeat evil pixie Opal Koboi?
A choice of 25 mm thick polycarbonate, available in bronze, clear and opal finishes.
electronic bill presentment, or e-billing as it is often known, is the new way of receiving your Opal bill each month.
safelight filter is integrated in. the beliows, and the lamphead fitted with a 75 watt opal lamp.
In addition, Opal was made slightly more user-friendly.
Other precious stones, including the sapphire, emerald, oriental emerald, ruby, opal, amethyst, garnet, chrysolite, topaz, cairngorm, onyx, zircon, &c., have been found in the gold and tin bearing drifts and river gravels in numerous localities throughout the states.
Blocks and logs of agate, chalcedony, jasper, opal and other silicate deposits lie in hundreds over an area of 60 sq.
These stones are special, though and you must keep the following in mind when you buy opal jewelry.
Opals need to be kept away from heat since it can diminish the water content within the stone, making an opal's 'fire' less brilliant with time.
Some opals will display a color effect only when viewed from one particular direction - this type of opal is less desirable and should be inexpensive.
Also, protect the opal from scratches, knocks and jolts and from extreme heat and cold.
The line was expanded in 2005 with the introduction of the Opal Point collection and in 2007 with the introduction of the Katonah collection.
MAC pigments are some of their most talked about products, and MAC Pink Opal is no exception.
MAC Pink Opal looks a little boring in the jar, but my fellow cool-toned friend had raved about it so, I had to give it a try.
When you apply it to your skin, however, it looks like a real opal.
Put a bit of Pink Opal in the center of your lips and POW-they'll stand out.
MAC Pink Opal would look especially pretty stroked over just the tips of your nails, French manicure style.
Black Opal: You can usually find Black Opal in local drugstores, offering a less expensive option in makeup.
Fashion Fair can be found at department stores such as Macy's, Dillard's and Belk, while Iman and Black Opal are more accessible and available at retailers such as Target and Walgreens.
This line has a deep brownish red shade, called Opal that makes brown nutmeg complexions look exotic and regal.
Black Opal Cosmetics has a full line of makeup for black women.
According to the Black Opal web site, the line, with products that typically cost less than $20, was created in 1994 by Cheryl Burgess, an African American dermatologist.
African American women and other women of color who are looking for a foundation that will match their skin and hide blemishes should try Black Opal's foundations.
Black Opal's foundations are available in a wide range of shades and textures.
Black Opal has bronzers in different shades to impart an extra glow.
Black Opal Cosmetics sells shadows in quads in complementary shades.
The shadows also inhibit shine by absorbing oil, says the Black Opal site.
Black Opal Cosmetics is sold in selected Walmart and CVS stores.
Black Opal has a variety of blotting powders concealers that are developed to fade and eliminate blemishes as well as cover them.
Black Opal's foundations cost about $10.
Black Opal is a very affordable line of cosmetics and skin care for African American women that features a full range of products including foundations, powders, blush, eye shadow and lip products that are available at drugstores.
Ceres, rosylilac; Gloria, rich rose; Kriemhilde, salmon; opal, purplish-pink; Siegfried, carmine; Venus, rosy-purple; Queen Alexandra, pink; and Salmon Queen, are a selection of the best.
October - Opal is the birthstone for the month of October, with tourmaline the alternate.
Those born in October enjoy the opal as a birthstone.
The birthstone of October is the white milky opal.
Opal, mother of pearl, and abalone accents are also popular.
Opal: If you need help with the digestive system, then wear an opal.
Men who like gemstone jewelry should consider men's opal rings.
The word opal is a combination of the Sanskrit word "upala" and the Latin word "opallios," which means "precious stone change color."
Today the opal is still prized as one of the most beautiful and versatile gemstones and is worn for both fashion and symbolism.
Opal rings offer something for men who like elaborate designs as well more understated styles.
The opal has such presence due to the stone's inner fire that it rarely needs accessory stones to create an arresting piece.
Men's fashion pieces, fine jewelry, Masonic rings, religious jewelry and biker jewelry have featured opal stones.
Not every opal is iridescent or fiery; some have a more matte appearance and do not reflect light well at all.
A simple design, such a titanium band with thin line of opal inlay, may be best for a man who prefers an understated look, rather than some of the more elaborate opal and diamond designs available in men's jewelry.
You can find the largest selection of men's opal rings on the Internet.
Hawaii Titanium: The Hawaii Titanium Etsy shop has many artistic opal inlay rings.
Weston Jewelry: Weston carries a custom dark opal men's ring for men who like signet style rings with gemstones.
Sarraf: Sarraf sells a large selection of gold and dark opal men's rings that feature simple center stones as well as ornate artistic patterns.
Amazon: Amazon provides a variety of men's opal rings at various price points.
With gentle care, an opal ring can look as good as new for years to come.
Opal Blue Hair Pins: This hair pin is reminiscent of a delicate tree branches; several of the sprays are tipped with opal and blue crystals, while the pin itself is anchored at its very core by a large crystal center.
If you do prefer a non-diamond center stone, popular choices set in yellow gold include: amethyst, ruby, opal, emerald, and sapphire, though you can choose any type of semi precious gemstone for a lovely ring.
Other available colors are Opal, a shiny white, and Onyx, a racy black.
Unfortunately, married bliss only lasted a short time before Dixie's uncle (Palmer) and Tad's biological mother (Opal) began meddling.
Palmer also married Opal Purdy (Tad Martin's birth mother) and together they had Petey.
Other interesting stones include the greens of jade and aventurine, or gentle pearly colors of moonstone or opal.
Black Opal Balancing Cleanser is a very popular choice for African-American women, as well as other ethnicities.
Black Opal carries several types of fade cream.
Black Opal has a stronger product for lightening the skin, called Black Opal Essential Fade complex.
The Essential Fade complex is a serum, marketed as the strongest fade cream that can be bought through the Black Opal line without a prescription.
Black Opal has an Acne and Blemish Control Complexion Bar, formulated to unclog pores and reduce shine, according to the Black Opal web site.
Black Opal also has a wash with salicylic acid called the Skin Perfecting Acne and Blemish Wash.
Some cosmetics companies such as Black Opal target skin care for people of color and unique issues darker complexions face.
Many descriptions of gems and gem stones have been discovered in various parts of the Australian states, but systematic search has been made principally for the diamond and the noble opal.
of Eperjes is situated the village of VdrSsvagas, which contains the only opal mine in Europe.
As a deposit from hot springs, quartz is much less common than opal.
This brown striated coal glows with fissures of opal, brilliant insights of purple amethyst.
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The red safelight filter is integrated in. the beliows, and the lamphead fitted with a 75 watt opal lamp.
A doublet opal is actually a combination of an opal glued to another opal or some other material; triplet opals include a base which is usually dark, a precious opal center and a clear covering.
Never use an ultrasonic machine or other jewelry-cleaning machine to clean an opal.
If you buy a doublet opal, do enquire about the weight of the opal stone portion as separate from the weight of the other part of the jewelry.
Gillets has a wide range of opal jewelry.
Opal, the tall, thin man, nodded and stepped toward the house.
If the bead is coloured we may have present: cobalt, blue to violet; copper, green, blue on cooling; in the reducing flame, red when cold; chromium, green, unaltered in the reducing flame; iron, brownish-red, light-yellow or colourless on cooling; in the reducing flame, red while hot, yellow on cooling, greenish when cold; nickel, reddish to brownish-red, yellow to reddish-yellow or colourless on cooling, unaltered in the reducing flame; bismuth, yellowish-brown, light-yellow or colourless on cooling; in the reducing flame, almost colourless, blackish-grey when cold; silver, light yellowish to opal, somewhat opaque when cold; whitish-grey in the reducing flame; manganese, amethyst red, colourless in the reducing flame.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.