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cerussite |
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cerussite (sēr`əsīt), 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, PbCO3, formed by the action of carbonate and bicarbonate solutions on galena galena (gəlē`nə) or lead glance, ..... Click the link for more information. . It is an important ore of lead widely distributed throughout the world and found associated with galena and other lead minerals. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Ancient Egyptians, for example, used soot, ground ants' eggs, and powdered lead carbonate in cosmetics. Although two companies lead carbonates, Gaseosas Postobon SA and Coca-Cola Servicios de Colombia/Panamco Colombia SA, competition is stiff. the record is replete with evidence that shows the Pigment Manufacturers actually magnified the risk through their aggressive promotion of white lead carbonate, even despite the awareness of the toxicity of lead. |
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