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noun
A rare dark brown mineral, (La,Ca,Na)(Al,Fe,Mn)(Si,P)(O,OH,F)4, found in Greenland, occurring in rhombohedral crystals or massive formations.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Steenstrup + -ine.
