actinolite

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ac·tin·o·lite

 (ăk-tĭn′ə-līt′)
n.
A greenish amphibole mineral, Ca2(Mg,Fe)5Si8O22(OH)2, that occurs in several forms, including a fibrous form that is a variety of asbestos.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

actinolite

(ækˈtɪnəˌlaɪt)
n
(Minerals) a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca2(Mg,Fe)5Si8O22(OH)2
[C19: from actino- (from the radiating crystals in some forms) + -lite]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ac•tin•o•lite

(ækˈtɪn lˌaɪt)

n.
a variety of amphibole, occurring in greenish bladed crystals or in masses.
[1825–35]
ac•tin`o•lit′ic (-ˈɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.actinolite - a green mineral of the amphibole groupactinolite - a green mineral of the amphibole group; calcium magnesium iron silicate
amphibole - a mineral or mineral variety belonging to the amphibole group
amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
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