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[seer-uh-sahyt, si-ruhs-ahyt] /ˈsɪər əˌsaɪt, sɪˈrʌs aɪt/
a mineral, lead carbonate, PbCO 3 , found in masses or in colorless, transparent crystals: an important ore of lead.
1840-50; < Latin cēruss(a) ceruse + -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cerussite


a usually white mineral, found in veins. It is a source of lead. Composition: lead carbonate. Formula: PbCO3. Crystal structure: orthorhombic Also called white lead ore
Word Origin
C19: from Latin cērussa (see ceruse) + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for cerussite

lead carbonate (PbCO3), an important ore and common secondary mineral of lead. It is formed by the chemical action of carbonated water on the mineral galena. Notable localities are Murcia, Spain; Tsumeb, Namibia; Broken Hill, New South Wales; and Leadville, Colo. For detailed physical properties, see carbonate mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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