Mineral Information and Data:

Deliensite  
Fe2+(UO2)2(SO4)2(OH)2 • 3H2O [CNMNC approved formula]

Named for Dr. Michel Deliens (1939-), Royal Belgian Institute of Natural History, Brussels, Belgium, in recognition of his research on uranium bearing minerals.

IMA status : Approved Species 1997 ()
CLASSIFICATION 
Dana
(8th edition) :
31.08.02.02  (This Dana# Added)
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.08) where (A+ B++)3 (XO4)2 Zq · x(H2O)
  (31.08.02)
  
Nickel-Strunz
(10th edition) :
07.EB.10
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.E) Uranyl Sulfates
  (07.EB) With medium-sized cations
  
Crystal system:  
Point group (H-M):
  
  
  
Other Properties: Radioactive.

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