ac·tin·o·lite ( k-t n  -l t )n. A greenish variety of amphibole. |
actinolite [ækˈtɪnəˌlaɪt]
n
(Earth Sciences / Minerals) a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca2(Mg,Fe)5Si8O22(OH)2
[from actino- (from the radiating crystals in some forms) + -lite]
| actinolite (k-tn-lt) 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: Ca2(Mg,Fe)5Si8O22OH2. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  actinolite - a green mineral of the amphibole group; calcium magnesium iron silicateamphibole - 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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