Mineral Information and Data:

Znucalite  
CaZn11(UO2)(CO3)3(OH)20 • 4H2O [CNMNC approved formula]

Named for the composition (Zn, U, Calcium).

IMA status : Approved Species 1990 ()
CLASSIFICATION 
Dana
(8th edition) :
16b.07.14.01  
  (16b) Carbonates - Hydroxyl or Halogen
  (16b.07)
  (16b.07.14)
  
Nickel-Strunz
(10th edition) :
05.ED.45
  (05) Carbonates and Nitrates
  (05.E) Uranyl Carbonates
  (05.ED) UO2:CO3 = 1:3
  
Crystal system:  
Point group (H-M):
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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