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kaolin |
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kaolin (kā`əlĭn): see china clay china clay, one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism . Usage of the terms china clay and kaolin ..... Click the link for more information. . kaolin, kaoline a fine white clay used for the manufacture of hard-paste porcelain and bone china and in medicine as a poultice and gastrointestinal absorbent kaolin [′kā·ə·lən] (mineralogy) Any of a group of clay minerals, including kaolinite, nacrite, dickite, and anauxite, with a two-layer crystal in which silicon-oxygen and aluminum-hydroxyl sheets alternate; approximate composition is Al2O3·2SiO2·2H2O. (petrology) A soft, nonplastic white rock composed principally of kaolin minerals. Also known as bolus alba; white clay. 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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A brochure exhibiting "live samples" of various forms of industrial kaolin clay is available from the company. Here in the mushroom capital of the world, farm workers at Kaolin Mushroom Farms, Inc. ATLANTA -- Imerys North America Ceramics announces a product price increase from a minimum of 4% to a maximum of 8% per ton, dependent upon the grade, volume, and form, across its ball clay, kaolin, and feldspar product portfolio in the United States. |
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