Mineral Information and Data:

Widenmannite  
Pb2UO2(CO3)3 [CNMNC approved formula]

Named for Bergrat J. F. Widenmann (1764-1798), who first discovered uranium containing micas in the Schwarzwald.

IMA status : Approved Species 1961 ()
CLASSIFICATION 
Dana
(8th edition) :
14.01.05.01  
  (14) Anhydrous Carbonates
  (14.01) with Simple Formula A+ CO3
  (14.01.05)
  
Nickel-Strunz
(10th edition) :
05.ED.40
  (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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