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cerussite
cerussite Mineral, PbCO3; sp. gr. 6.4–6.6; hardness 3.0–3.5; orthorhombic; usually white or grey; white streak; adamantine lustre; crystals often prismatic or tabular, also acicular, but can also occur granular, massive, and compact; cleavage good {110}, {021}; of secondary origin in the oxidized zone of lead veins, associated with anglesite, galena, smithsonite, pyromorphite, and sphalerite; soluble (with effervescence) in warm, dilute nitric acid. It is an ore mineral of lead.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "cerussite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "cerussite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O13-cerussite.html AILSA ALLABY and MICHAEL ALLABY. "cerussite." A Dictionary of Earth Sciences. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-cerussite.html |
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cerussite
cerussite , colorless to white or gray mineral, sometimes yellowish or greenish, transparent to opaque, very brittle, crystallizing in the orthorhombic system and occurring also in granular and massive form. It is a carbonate of lead, PbCO 3 , formed by the action of carbonate and bicarbonate solutions on galena . It is an important ore of lead widely distributed throughout the world and found associated with galena and other lead minerals. |
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Cite this article
"cerussite." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "cerussite." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-cerussit.html "cerussite." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-cerussit.html |
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