Mineral Information and Data:

Lipscombite
Fe2+Fe3+2(PO4)2(OH)2 [CNMNC approved formula]

Named for William Nunn Lipscomb (1909- ), mineralogist, University of Minnesota, Minneapolis, Minnesota, USA, who determined the crystal structure of the synthetic compound.

IMA status : Valid species (Pre-IMA 1953) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
41.10.02.01  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.10) where (A++ B++)3 (XO4)2 Zq
  (41.10.02) Lipscombite Group
  
Nickel-Strunz
(10th edition) :
08.BB.90
  (08) Phosphates, Arsenates, Vanadates
  (08.B) Phosphates, etc. with Additional Anions, without H2O
  (08.BB) With only medium-sized cations, (OH, etc.):RO4 about 1:1
  
Crystal system: Tetragonal System
Point group (H-M): 422 — trapezoidal
  
  
  

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