Mineral Information and Data:

Janggunite
(Mn4+,Mn2+,Fe3+)6O8(OH)6 [CNMNC approved formula]

Named for the locality : Janggun mine, Bonghwa, Korea.

IMA status : Approved Species 1977 ()
CLASSIFICATION 
Dana
(8th edition) :
06.04.07.01  
  (06) Hydroxides and Oxides Containing Hydroxyl
  (06.04) containing multiple cations
  (06.04.07)
  
Nickel-Strunz
(10th edition) :
04.FG.05
  (04) Oxides and Hydroxides
  (04.F) Hydroxides (without V or U)
  (04.FG) Hydroxides with OH, without H2O; unclassified
  
Crystal system:  
Point group (H-M):
  
  
  

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