Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from The Century Dictionary and Cyclopedia

  • n. 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.

Etymologies

urano- +‎ phane (Wiktionary)

Examples

  • 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

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