单词 | chrysoberyl |
例句 | Then follows the topaz, which, with spinel and chrysoberyl, has a hardness of 8; whilst quartz falls a degree lower. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z The great attraction of the sale was "The Hindoo Lingam God," consisting of a chrysoberyl cat's-eye fixed in a topaz, and mounted in a pyramidal base studded with diamonds and precious stones. Our Cats and All About Them Their Varieties, Habits, and Management; and for Show, the Standard of Excellence and Beauty; Described and Pictured 2011-03-03T03:00:48.597Z Other precious stones found in Brazil are the topaz, ruby aquamarine, tourmaline, chrysoberyl, garnet and amethyst. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Like the chrysoberyl, it is obtained chiefly from Ceylon, but though coming from the East it is often called “occidental cat’s-eye”—a term intended simply to distinguish it from the finer or “oriental” stone. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" When twinned on the prism planes o, as is frequently the case, the crystals simulate hexagonal symmetry still more closely, as in the minerals aragonite and chrysoberyl. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Other stones of less value—such as topaz, spinel, chrysoberyl, chrysolite, zircon and tourmaline—are sometimes called “fancy stones.” Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z On the apex is a topaz 1 10-16ths inch in length, and 9-16ths of an inch in depth, shaped like a horseshoe; in the centre of the horseshoe the great chrysoberyl cat's-eye stands upright. Our Cats and All About Them Their Varieties, Habits, and Management; and for Show, the Standard of Excellence and Beauty; Described and Pictured 2011-03-03T03:00:48.597Z Most chrysoberyl comes from Brazil, chiefly from the district of Minas Novas in the state of Minas Geraes, where it occurs as small water-worn pebbles. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Also the more valuable chrysoberyl cat's-eye may be confused with the cheaper quartz cat's-eye unless one is well acquainted with the respective appearances of the two varieties. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Ruby and sapphire are scratched by diamond alone, while chrysoberyl, topaz and spinel scratch all the remaining stones, although they do themselves yield to the scratch of ruby and sapphire. Scientific American Supplement, No. 1082, September 26, 1896 In this group may be mentioned the opal, amethyst, agate, rock-crystal, and the like, as the best known examples, whilst oxygen appears also mostly in the form of oxides, in chrysoberyl, spinel, and the like. The Chemistry, Properties and Tests of Precious Stones The base is of solid gold, and around it are set nine gems or charms, a diamond, ruby, sapphire, chrysoberyl cat's-eye, coral, pearl, hyacinthine garnet, yellow sapphire, and emerald. Our Cats and All About Them Their Varieties, Habits, and Management; and for Show, the Standard of Excellence and Beauty; Described and Pictured 2011-03-03T03:00:48.597Z The ancient stone was not improbably our chrysoberyl, and it is doubtful whether the modern chrysoprase was known until a comparatively late period. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Passing on to the next mineral in the scale of hardness we come to chrysoberyl, which is rated as 81⁄2 on Mohs's scale. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public A flash as of moonlight striking two chrysoberyls took the madness out of her mind. The Adventures of Kathlyn The beryl also, is sea-green one way and a beautiful blue another; the yellow chrysoberyl is brown one way and yellow with a greenish cast when viewed another way. The Chemistry, Properties and Tests of Precious Stones In this case also are the Aluminates of Magnesia, including the sapphirine; the chrysoberyls from Brazil, and those inclosed in quartz and felspar with garnets. How to See the British Museum in Four Visits Some of these approach the chrysoberyl and topaz in hardness and hue. Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 After chrysoberyl come the materials rated as about 8 in hardness. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public This is how he composed his bouquet of flowers: the leaves were set with jewels of a pronounced, distinct green; the chrysoberyls of asparagus green; the chrysolites of leek green; the olivines of olive green. Against the Grain It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite. The Gutenberg Webster's Unabridged Dictionary Section F, G and H He leisurely unfastened the great chrysoberyl, big as a hen's egg, which adorned his fillet. Domnei A Comedy of Woman-Worship She remained motionless; only her eyes, which were like chrysoberyls, seemed to grow larger and yet more large. The Cords of Vanity A Comedy of Shirking Another mineral species which, like spinel, has just three elements in its composition is chrysoberyl. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public In this stratum of gravel an infinite number of small, and for the most part worthless, specimens of gems are found, consisting of sapphire, ruby, emerald, jacinth, tourmaline, chrysoberyl, zircon, cat's-eye, "moonstone," and "star-stone." Eight Years' Wanderings in Ceylon Leaving the corundum gems we come next to chrysoberyl. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The term chrysolite is also sometimes incorrectly used for the greenish-yellow chrysoberyl. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The true chrysoberyl cat's-eye also has a somewhat similar fibrous or perhaps tubular structure. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public |
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