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actinolite |
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actinolite (ăktĭn`əlīt): see amphibole amphibole (ăm`fəbōl') ..... Click the link for more information. . actinoliteColourless to green amphibole mineral, darkening with increased iron content from green to black. It has a prismatic and splintery texture and is abundant in regionally metamorphosed (see metamorphism) rocks such as schists. Actinolite has a monoclinic crystal structure, and it may alter to chlorite. See also asbestos. actinolite [‚ak′tin·ə‚līt] (mineralogy) Ca2(Mg,Fe)5Si8O22(OH)2A green, monoclinic rock-forming amphibole; a variety of asbestos occurring in needlelike crystals and in fibrous or columnar forms; specific gravity 3-3.2. 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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