noun
Meaning 1
A trigonal-ditrigonal pyramidal yellowish brown mineral containing calcium, fluorine, hydrogen, lanthanum, cerium, praseodymium, neodymium, samarium, manganese, niobium, oxygen, silicon, sodium, and zirconium.
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.
Meaning relationships
Synonyms: none provided
Antonyms: none provided