Mineral Information and Data:

Takanelite
(Mn2+,Ca)2xMn4+1-xO2 • 0.7H2O [CNMNC approved formula]

Named for Katsutoshi Takane (1899-1945), professor of mineralogy, Tohoku University, Sendai, Japan.

IMA status : Approved Species 1971 ()
CLASSIFICATION 
Dana
(8th edition) :
07.10.01.02  
  (07) Multiple Oxides
  (07.10)
  (07.10.01)
  
Nickel-Strunz
(10th edition) :
04.FL.40
  (04) Oxides and Hydroxides
  (04.F) Hydroxides (without V or U)
  (04.FL) Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
  
Crystal system:  
Point group (H-M):
  
  
  

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