hydrophane

English

Etymology

From hydro- (water) +‎ -phane (“appearing”).

Noun

hydrophane (countable and uncountable, plural hydrophanes)

  1. (mineralogy) A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.

Further reading

  • David Barthelmy (1997–2026), “Hydrophane”, in Webmineral Mineralogy Database.
  • “hydrophane”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.
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