Mineral Information and Data:

Stronalsite
Na2SrAl4Si4O16 [CNMNC approved formula]

Named for its composition (Strontium, Na, Al, Si).

IMA status : Approved Species 1987 ()
CLASSIFICATION 
Dana
(8th edition) :
76.01.06.02  
  (76) Tectosilicate Al-Si Framework
  (76.01) with Al-Si frameworks
  (76.01.06) Banalsite group
  
Nickel-Strunz
(10th edition) :
09.FA.60
  (09) Silicates
  (09.F) Tektosilicates without Zeolitic H2O
  (09.FA) Tektosilicates without additional non-tetrahedral anions
  
Crystal system: Orthorhombic System
Point group (H-M): mm2 — pyramidal
  
  
  

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