actinolite
Word Rarity
Very rare
Frequency: 1.31 in modern English
12
Scrabble Score
10
Letters
3
Syllables
8
Unique Chars
Meaning
noun
A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.
Countable; Uncountable
Etymology
From actino- + -lite.