Actinolite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group. countable, uncountable
- 2 a green mineral of the amphibole group; calcium magnesium iron silicate wordnet
Synonyms
All synonymsEtymology
From actino- + -lite.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.