Mineral Information and Data:

Bracewellite
CrO(OH) [CNMNC approved formula]

Named after Smith Bracewell, Director of the British Guiana (now Guyana) Geological Survey.

IMA status : Approved Species 1967 ()
CLASSIFICATION 
Dana
(8th edition) :
06.01.01.05  
  (06) Hydroxides and Oxides Containing Hydroxyl
  (06.01) where X+++O OH
  (06.01.01) Diaspore group (Orthorhombic, Pnma or Pnmd)
  
Nickel-Strunz
(10th edition) :
04.FD.10
  (04) Oxides and Hydroxides
  (04.F) Hydroxides (without V or U)
  (04.FD) Hydroxides with OH, without H2O; chains of edge-sharing octahedra
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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