noun
Meaning 1
A type of stone, a mixture of quartz and opal deposited by a geyser as it precipitates out of the boiling water.
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: none provided
Antonyms: none provided