Mineral Information and Data:

Zussmanite
K(Fe,Mg,Mn)13(Si,Al)18O42(OH)14 [CNMNC approved formula]

Named for Jack Zussman (1924-), crystallographer and emeritus professor of geology, Manchester University, England.

IMA status : Approved Species 1964 ()
CLASSIFICATION 
Dana
(8th edition) :
74.01.04.01  
  (74) Phyllosilicate Modulated Layers
  (74.01) with joined islands
  (74.01.04)
  
Nickel-Strunz
(10th edition) :
09.EG.35
  (09) Silicates
  (09.E) Phyllosilicates
  (09.EG) Double nets with 6-membered and larger rings
  
Crystal system: Trigonal System
Point group (H-M): 3 — pyramidal
  
  
  

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