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malachite
malachite Mineral, Cu2CO3(OH)2; sp. gr. 3.9–4.0; hardness 3.5–4.0; monoclinic; bright green; pale green streak; in fibrous condition with a silky lustre, crystals with adamantine or vitreous lustre; crystals very rare, and it is usually found as botryoidal, encrusting masses with bands of varying colour, and frequently in a fibrous, radiating habit; common secondary mineral in the oxidized zone of copper deposits, associated with azurite, native copper, and cuprite; soluble with effervescence in dilute hydrochloric acid. It is often used for ornaments and pigments, and as an ore mineral for copper. See SPESSARTITE.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "malachite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "malachite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O13-malachite.html AILSA ALLABY and MICHAEL ALLABY. "malachite." A Dictionary of Earth Sciences. 1999. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-malachite.html |
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malachite
malachite , a mineral, the green basic carbonate of copper occurring in crystals of the monoclinic system or (more usually) in masses. It is translucent or opaque; the luster is silky, vitreous, adamantine, or dull. It takes a good polish. An important ore of copper, it also serves as a gem and for various ornamental purposes and, when finely ground, as a pigment. It is found associated with other ores of copper (especially azurite ) in various parts of the United States and in Chile, Russia, Congo (Kinshasa), Zimbabwe, and Australia. |
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"malachite." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "malachite." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-malachit.html "malachite." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-malachit.html |
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malachite
mal·a·chite / ˈmaləˌkīt/ • n. a bright green mineral consisting of copper hydroxyl carbonate. It typically occurs in masses and fibrous aggregates with azurite and is capable of taking a high polish. |
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"malachite." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "malachite." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-malachite.html "malachite." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-malachite.html |
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malachite
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T. F. HOAD. "malachite." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "malachite." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-malachite.html T. F. HOAD. "malachite." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-malachite.html |
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Malachite
MalachiteA precious stone (a variety of topaz) of basic copper carbonate. Folklore held that it preserved the cradle of an infant from spells. |
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"Malachite." Encyclopedia of Occultism and Parapsychology. 2001. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "Malachite." Encyclopedia of Occultism and Parapsychology. 2001. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1G2-3403802926.html "Malachite." Encyclopedia of Occultism and Parapsychology. 2001. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-3403802926.html |
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malachite
malachite •graphite • prizefight • dogfight
•cockfight • neophyte • saprophyte
•bullfight • gunfight • firefight
•gesundheit • Fahrenheit • malachite
•blatherskite
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"malachite." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "malachite." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-malachite.html "malachite." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-malachite.html |
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