Mineral Information and Data:

Pabstite
BaSnSi3O9 [CNMNC approved formula]

Named for Adolph Pabst (1899-1990), American mineralogist, University of California at Berekey.

IMA status : Approved Species 1965 ()
CLASSIFICATION 
Dana
(8th edition) :
59.01.01.03  
  (59) Cyclosilicate Three-Membered Rings
  (59.01) anhydrous, no other anions
  (59.01.01) Benitoite group
  
Nickel-Strunz
(10th edition) :
09.CA.05
  (09) Silicates
  (09.C) Cyclosilicates
  (09.CA) [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
  
Crystal system: Hexagonal System
Point group (H-M): 6m2 (or 6m2) — ditrigonal-dipyramidal
  
  
  

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