actinolite [ak- tin-l-ahyt, ak-t uh-nl-] EXAMPLES | WORD ORIGIN noun . Mineralogy a variety of amphibole, occurring in greenish bladed crystals or in masses. Origin of actinolite
First recorded in
-lite Related forms ac·tin·o·lit·ic , [ak-tin-l- it-ik, ak-t uh-nl-] /ækˌtɪn lˈɪt ɪk, ˌæk tə nl-/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for actinolite Historical Examples of actinolite British Dictionary definitions for actinolite noun a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca 2 (Mg,Fe) 5 Si 8 O 22 (OH) 2 Word Origin for actinolite
actino- (from the radiating crystals in some forms) + -lite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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A greenish variety of amphibole. Actinolite is a monoclinic mineral, and occurs in long, slender, green needlelike crystals, or in fibrous, radiated forms in metamorphic rocks. Chemical formula: Ca 2(Mg,Fe) 5Si 8O 22OH 2.
The American Heritage® Science Dictionary
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