actinolite

A1C3T1I1N1O1L1I1T1E1

noun

A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.

Similar
asbestinite
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Meanings

nounactinolite (countable and uncountable, plural actinolites)

plural actinolites

  1. countableuncountablechemistryA mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.

    Synonyms: asbestinite

Synonyms & antonyms

nounA mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.

Similar
asbestinite
Also see
green asbestos

Origin

From actino- + -lite.

Full word history & related roots →

Translations

Afrikaans aktinoliet, stralingsgesteente
  • aktinolietmineral with monoclinic crystals belonging to the amphibole group
  • stralingsgesteentemineral with monoclinic crystals belonging to the amphibole group
Esperanto aktinoto
  • aktinotomineral with monoclinic crystals belonging to the amphibole group
Finnish aktinoliitti
  • aktinoliittimineral with monoclinic crystals belonging to the amphibole group
French actinote
  • actinotemineral with monoclinic crystals belonging to the amphibole group
German Aktinolith
  • Aktinolithmineral with monoclinic crystals belonging to the amphibole group
Italian actinolite
  • actinolitemineral with monoclinic crystals belonging to the amphibole group
Latvian aktinolīts
  • aktinolītsmineral with monoclinic crystals belonging to the amphibole group
Polish aktynolit
  • aktynolitmineral with monoclinic crystals belonging to the amphibole group
Portuguese actinolita, actinolite
  • actinolitamineral with monoclinic crystals belonging to the amphibole group
  • actinolitemineral with monoclinic crystals belonging to the amphibole group
  • actinolitomineral with monoclinic crystals belonging to the amphibole group
Spanish actinolita
  • actinolitamineral with monoclinic crystals belonging to the amphibole group
Cite this entry
APA

actinolite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/actinolite

MLA

“actinolite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/actinolite. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “actinolite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/actinolite.

Source: actinolite on Wiktionary, CC BY-SA 4.0.