Mineral Information and Data:

IMA2009-008  
Y2[(UO2)8O6(SO4)4(OH)2] • 26H2O [CNMNC approved formula]

Named Commission on New Minerals, Nomenclature and Classification (CNMNC).

IMA status : Approved Species 2009 ()
CLASSIFICATION 
Dana
(8th edition) :
31.10.04.09  
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.10) miscellaneous
  (31.10.04) Zippeite Group
  
Nickel-Strunz
(10th edition) :
07.XX.00
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.X)
  (07.XX) No group assigned
  
Crystal system: Triclinic System
Point group (H-M): 1 — pinacoidal
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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