Geyserite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A type of stone, a mixture of quartz and opal deposited by a geyser as it precipitates out of the boiling water.

Etymology

From geyser + -ite.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.