How To Use Chalcedony In A Sentence
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Three gold rings from the Halicarnassian tomb of the fourth century B.C. Note in particular the chalcedony signet ring of a Persian soldier bottom, suggesting the loyalty that Artemisia had to Xerxes.
The Battle of Salamis
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Neolithic tools like points, trapezes and lunates made of chert and chalcedony, besides stone querns and grinders, decorated bone objects, pieces of ochre and human burials were also found here.
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Labradorite, Charoite, botryoidal chalcedony, and rocs, adn rocs, adn uh, smammie, uze gittin BORIN agin… sari….. and dey maeks handii howz-wholed wepenz.. sew dere, thwak.
Ur daiz…dey is numbrd - Lolcats 'n' Funny Pictures of Cats - I Can Has Cheezburger?
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Of the seven necklaces pictured here, all purchased recently, three are varieties of chalcedony, which is itself a type of microcrystalline quartz.
WalesOnline - Home
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Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
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Allochems (peloids, oolites) with oncolites & intercolumnal detritus, anthraxolite (dark), chert & chalcedony (matrix), hematite (red), ankerite (white/light colored rhombohedra), algal laminae are all visible in image.
Stromatolites - The Panda's Thumb
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In fact, seventeen of the fifty-seven sites are specifically listed for agate, chalcedony, chert, jasper, or petrified wood.
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It was one of the stones on the breastplate of the high priest (Ex. 28: 20; R.V. marg., "chalcedony;" 39: 13).
Easton's Bible Dictionary
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Groutite is observed as small, lustrous black, acicular crystals to 1/8 inch long that occur directly on the quartz or chalcedony.
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The carnelian is a siliceous stone and a species of chalcedony.
The Catholic Encyclopedia, Volume 14: Simony-Tournon
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Furthermore Oehler had previously shown that the silica minerals quartz and chalcedony critically important in the petrification of wood, can be made, rapidly in the laboratory from silica gel.
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There is a kind of onyx called a chalcedony, which hath the same qualities, [4151] avails much against fantastic illusions which proceed from melancholy, preserves the vigour and good estate of the whole body.
Anatomy of Melancholy
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The fine-grained sediment of the matrix is composed chiefly of microgranular quartz, although chalcedony with a fibrous texture is sometimes found.
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The chalcedony may be banded or it may contain ‘pseudo-algal’ structures that are of special interest to collectors and lapidaries.
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These include Neolithic tools made from chalcedony as well as nephrite objects from Ancient China.
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Vein minerals are barite, calcite, chalcedony, and quartz.
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Around here there's plenty of good flint - schist and chalcedony and other good stuff not half a mile from here.
THE JOE LEAPHORN MYSTERIES
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Red chalcedony-lined geodes were prevalent at one time, their inclusions typically being quartz, calcite, ferroan dolomite, and iron sulfide microcrystals.
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Clutching the small lapis and chalcedony box in her hand, she hastened up the coralite steps.
The Hand of Chaos
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Or, again, if we borrow from Pope Innocent III. his ideas as to the mystical meanings of gems, we find that chalcedony, which is pale in the light and sparkles in the dark, is synonymous with humility; the topaz with chastity and the merit of good works, while the chrysoprase, the queen of minerals, implies wisdom and watchfulness.
The Cathedral
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These other forms of silica include opal, chalcedony, flint and chert (non-crystalline), and cristobalite, tridymite, coesite, and stichovite.
Quartz
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From top: Siegelson antique archaeological revival gold and chalcedony brooch by Castellani, ca. 1880, price upon request, Siegelson, 212-832-2666; Bottega Veneta Milk silver bracelet $790 left and Magma silver bracelet $1,290 Bottegaveneta.com ; Stephen Russell Victorian 18k yellow gold agate pearl ruby and hard stone brooch, ca.
Cue the Cameo
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The depictions of birds and flowers were executed in precious materials including lapis lazuli, agate, Sicilian red and green jasper, chalcedony, amethyst and quartz as well as superb hard stones.
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Many ideas have been proposed for the development of chalcedony and the banding in agate.
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The smooth edge of the circular disc is then charged with diamond dust and oil, the diamond dust being bedded into the edge of the metal disc by the pressure of some hard, fine-grained material, such as chalcedony, or rolled into the metal by the use of a rotating roller.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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This highly silicified cycad contained bright red-orange to black, diamond-shaped leaf bases of chalcedony up to several centimeters across separated by zones of greenish-yellow chalcedony.
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Calcite and barite actually crystallize after the formation of chalcedony and quartz cease and often infill or possibly cause subsequent fracturing of the agate.
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_Chalcedony_ too (which when banded furnishes us our _agates_, and when reddish our _carnelian_) is a variety of quartz, and _prase_ is only quartz colored green by fibers of actinolite within it.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
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The photos show that the material is extremely fine grained and relatively featureless in plain light; in crossed nicols it gives a botryoidal effect similar to that seen in chalcedony.
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The stones used include red jasper, white oriental alabaster, yellow chalcedony, and green gabbro.
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The collection today has eight vases executed by the Baroviers in calcedonio glass, which imitates chalcedony, banded agate, and other semiprecious stones.
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Slowest-forming and most beautiful of all, huge crystals of amethyst, agate, chalcedony and rock crystal grow where condensed water has managed to seep into naturally insulated rock crevices.
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The collection today has eight vases executed by the Baroviers in calcedonio glass, which imitates chalcedony, banded agate, and other semiprecious stones.
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In the spring of 1968, Stepanov together with amateurs B. Kantor and E. Kurdyukov discovered the now-famous manifestation of hollow agates with chalcedony pseudostalactites in the Moscow region.
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The coarsely crystalline veins are composed predominantly of colorless barite and quartz and white chalcedony.
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In fact, seventeen of the fifty-seven sites are specifically listed for agate, chalcedony, chert, jasper, or petrified wood.
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Heaney expected to find that the quartz in tiger's-eye was chalcedony, a form that typically consists of fibrous, defect-riddled crystals less than 1 micrometer in diameter.
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Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
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The former habit is best known as the diagnostic morphology exhibited by stilbite; the latter is seen in many minerals, from malachite to chalcedony to goethite.
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‘That's chalcedony,’ Corissa remarked, her eyes focusing on the translucent gray capstones of the wall.
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There is a kind of onyx called a chalcedony, which hath the same qualities, [4151] avails much against fantastic illusions which proceed from melancholy, preserves the vigour and good estate of the whole body.
Anatomy of Melancholy
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The most spectacular inclusions are bands of native copper that are in and follow the chalcedony concentric banding of the agate.
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The depictions of birds and flowers were executed in precious materials including lapis lazuli, agate, Sicilian red and green jasper, chalcedony, amethyst and quartz as well as superb hard stones.
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The Stephen Webster Silver Collection is made from sterling silver, 18-karat gold and gemstones such as jade, chalcedony, goldstone, hematite and white agate.
Christina Aguilera Stephen Webster Performance May 31st Pure Las Vegas
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Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
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Common cements include clay minerals such as kaolinite, montmorillonite, or illite; quartz or chalcedony; iron oxides such as haematite; or calcite.
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They were often made of semiprecious stones such as chalcedony, rock crystal, and lapis lazuli.
Jeweler's Wheel Secrets
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The many semi-precious stones which have a quartz basis (such as the varieties of waxy or cryptocrystalline chalcedony which is largely quartz in a very minutely crystalline condition) are often even tougher than the clear crystallized quartz.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Concretions of chalcedony after barite can be confused with cycads, and the wise collector must learn to differentiate between the two.
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The sequence is grey granite below, the band of chalcedony, and above it a curious schistose gneiss-formation.
The Land of Midian
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The matrix is composed of microgranular quartz with some fibrous chalcedony.
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Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
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Many ideas have been proposed for the development of chalcedony and the banding in agate.
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The depictions of birds and flowers were executed in precious materials including lapis lazuli, agate, Sicilian red and green jasper, chalcedony, amethyst and quartz as well as superb hard stones.
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Groutite is observed as small, lustrous black, acicular crystals to 1/8 inch long that occur directly on the quartz or chalcedony.
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The Brushy Basin sediments contain numerous chalcedony pseudomorph-after-barite concretions that range to more than 30 cm in diameter.
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As to the second, of which the name does not occur in treatises on gems, it may be identified with chalcedony, which is described as a sort of agate of an opaque quality, dimmed with clouds and flashing fires in the shadows.
The Cathedral
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A well-known locality for agate or chalcedony nodules in rhyolite (thunder eggs) is near the Twin Mountains, northwest of Del Norte in Saguache County.
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The French examples, typically with chalcedony handles and shagreen cases, are of the very finest workmanship.
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These basalts were covered with a mammiform substance, which I vainly sought on the Peak of Teneriffe, and which is known by the names of volcanic glass, glass of Muller, or hyalite: it is the transition from the opal to the chalcedony.
Travels to the Equinoctial Regions of America
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Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
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The stones used include red jasper, white oriental alabaster, yellow chalcedony, and green gabbro.
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In fact, seventeen of the fifty-seven sites are specifically listed for agate, chalcedony, chert, jasper, or petrified wood.
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These other forms of silica include opal, chalcedony, flint and chert (non-crystalline), and cristobalite, tridymite, coesite, and stichovite.
Quartz
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The various colors of chalcedony have their own names: jasper when brown, carnelian when red or reddish-brown, chrysoprase when green, agate when banded with different colors.
Quartz
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Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
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The shoots and stalks themselves are casts composed of combinations of chalcedony, quartz, calcite, and barite.
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Slowest-forming and most beautiful of all, huge crystals of amethyst, agate, chalcedony and rock crystal grow where condensed water has managed to seep into naturally insulated rock crevices.
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Top lot will be the cover of a chalcedony cup dating from the 16th century, featuring Venus and Cupid cradled together within a scallop shell and framed by a silver gilt mount in the form of Jupiter as a swan.
A Week of Masters Descends
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The carnelian fortifications in these limbs are typical of the colorful chalcedony serving as cementing agents in conglomerates and replacing barite crystals and other fossils in the Brushy Basin sediments.
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Calcite and barite actually crystallize after the formation of chalcedony and quartz cease and often infill or possibly cause subsequent fracturing of the agate.
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There were built-up fabrics, called _Charlottes_, caky externally, pulpy within; there were also _marangs_, and likewise custards, -- some of the indolent-fluid sort, others firm, in which every stroke of the teaspoon left a smooth, conchoidal surface like the fracture of chalcedony, with here and there
The Atlantic Monthly, Volume 05, No. 30, April, 1860
