hot-spring mineral deposits; flowers of sulphur; geyserite; sinter
Refers to the solid mineral precipitates that form around hot springs, often with a flower-like appearance. Can specifically denote sulphur deposits (flowers of sulphur) or siliceous sinter (geyserite).
Hot-spring mineral deposits had built up around the spout.
The flowers of sulphur are yellow crystals and are beautiful.
Gandalfus yunohana (crab species)
Standard kanji spelling; 花 suggests the flower-like appearance of the deposits.
Alternate kanji spelling using 華, also meaning flower/bloom; less common but seen in some contexts.
Compound of 湯 (hot water) + の (possessive particle) + 花 (flower), literally 'flowers of hot water', describing the flower-like mineral formations at hot springs.