noun
Meaning 1
A tetragonal-ditetragonal dipyramidal mineral containing hydrogen, oxygen, silicon, and thorium.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: mackintoshite, maitlandite
Antonyms: none provided