from The Century Dictionary.

  • noun A hydrous silicate of uranium and calcium which occurs in radiated aggregates of acicular crystals having a bright yellow color: probably the same mineral as uranotil.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A rare yellow radioactive calcium uranium silicate hydrate mineral that forms from the oxidation of uranium-bearing minerals.


from Wiktionary, Creative Commons Attribution/Share-Alike License

urano- +‎ phane


  • The principal ore mineral is uranophane, a hydrated calcium-uranium silicate, which is believed to be an oxidation product of pitchblende.

    The Economic Aspect of Geology

  • Several meter thick pegmatitic granite dykes hosting uraninite, uranophane and apatite were also observed by IOS geologists.

    Marketwire - Breaking News Releases

  • Mineralization consists of disseminated fine grained uraninite (locally uranophane) in granitic altered rocks with smoky quartz and apatite and associated biotite altered zones.

    Marketwire - Breaking News Releases


Log in or sign up to get involved in the conversation. It's quick and easy.