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walpurgite

A triclinic mineral, Bi4O4(UO2)(AsO4).2H2O ; radioactive; yellow-orange; associated with troegerite, zeunerite, uransphaerite, torbernite, and uranospinite. Also spelled walpurgin.

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Penulis

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 poin
  • 100% positive feedback
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