Mineral Information and Data:

Bechererite
(Zn,Cu)6Zn2(OH)13[(S,Si)(O,OH)4]2 [CNMNC approved formula]

Named after Dr. Karl Becherer (1926-) of the University of Vienna, in recognition of his contributions to the mineralogy of Spangolite from Lavrion.

IMA status : Approved Species 1994 ()
CLASSIFICATION 
Dana
(8th edition) :
31.01.06.02  (This Dana# Added)
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.01) where (A+ B++)m (XO4)p Zq · x(H2O), where m:p>6:1
  (31.01.06) Schulenbergite group
  
Nickel-Strunz
(10th edition) :
07.DD.55
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.D) Sulfates (selenates, etc.) with additional anions, with H2O
  (07.DD) With only medium-sized cations; sheets of edge-sharing octahedra
  
Crystal system: Trigonal System
Point group (H-M): 3 — pyramidal
  
  
  

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