Mineral Information and Data:

Wickenburgite
Pb3CaAl2Si10O27 • 4H2O [CNMNC approved formula]

Named for the locality: Wichenburg, Maricopa County, Arizona, USA.

IMA status : Approved Species 1968 ()
CLASSIFICATION 
Dana
(8th edition) :
74.02.01.01  
  (74) Phyllosilicate Modulated Layers
  (74.02)
  (74.02.01)
  
Nickel-Strunz
(10th edition) :
09.EG.55
  (09) Silicates
  (09.E) Phyllosilicates
  (09.EG) Double nets with 6-membered and larger rings
  
Crystal system: Trigonal System
Point group (H-M): 3m — ditrigonal-pyramidal
  
  
  

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