noun
Meaning 1
A hexagonal mineral with the chemical formula (K,Na)(Mg,Fe+2)2(Al,Fe)3(Si,Al)12O30·H2O.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided