Mineral Information and Data:

Bederite
Ca2Mn2+4Fe3+2(PO4)6 • 2H2O [CNMNC approved formula]

Named for Roberto Beder (1888-1930) in recognition of his major contributions to the development of mineralogy in Argentina.

IMA status : Approved Species 1998 ()
CLASSIFICATION 
Dana
(8th edition) :
40.02.10.02  (This Dana# Added)
  (40) Hydrated Phosphates
  (40.02) where A++ (B++)2 (XO4) · x(H2O)
  (40.02.10)
  
Nickel-Strunz
(10th edition) :
08.CF.05
  (08) Phosphates, Arsenates, Vanadates
  (08.C) Phosphates without Additional Anions, with H2O
  (08.CF) With large and medium-sized cations, RO4:H2O > 1:1
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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