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cummingtonite |
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cummingtonite (kŭm`ĭngtənīt): see amphibole amphibole (ăm`fəbōl') ..... Click the link for more information. . cummingtonite [′kəm·iŋ·tə‚nīt] (mineralogy) (Fe,Mg)7Si8O22(OH)2A brownish mineral that crystallizes in the monoclinic system; usually occurs as lamellae or fibers in metamorphic rocks. 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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