Mineral Information and Data:

Zippeite  
K3(UO2)4(SO4)2O3(OH) • 3H2O [CNMNC approved formula]

Named for Franz Xaver Maxmillian Zippe (1791-1863), Austrian mineralogist.

IMA status : Valid species (Pre-IMA 1845) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
31.10.04.01  
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.10) miscellaneous
  (31.10.04) Zippeite Group
  
Nickel-Strunz
(10th edition) :
07.EC.05
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.E) Uranyl Sulfates
  (07.EC) With medium-sized and large cations
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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