Mineral Information and Data:

Brandholzite  
MgSb2(OH)12 • 6H2O [CNMNC approved formula]

Named after the locality : Schmidten-Schacht and Jakobi-Schacht (pits) of the master lode in the former Brandholz-Groldkronach mining district in the western part of the Fichtelgebirge, Bavaria, Germany.

IMA status : Approved Species 1998 ()
CLASSIFICATION 
Dana
(8th edition) :
06.03.09.02  
  (06) Hydroxides and Oxides Containing Hydroxyl
  (06.03) with (OH)3 or (OH)6 groups
  (06.03.09)
  
Nickel-Strunz
(10th edition) :
04.FH.05
  (04) Oxides and Hydroxides
  (04.F) Hydroxides (without V or U)
  (04.FH) Hydroxides with H2O +- (OH); insular octahedra
  
Crystal system: Trigonal System
Point group (H-M): 3 — pyramidal
  
  
  
Other Properties: Radioactive.

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