Mineral Information and Data:

Lingunite
NaAlSi3O8 [CNMNC approved formula]

Named for Liu Lin-gun (1942-), Chinese mineralogist at the National Taiwan University who first synthesised the mineral.

IMA status : Approved Species 2004 ()
CLASSIFICATION 
Dana
(8th edition) :
76.01.09.01  (This Dana# Added)
  (76) Tectosilicate Al-Si Framework
  (76.01) with Al-Si frameworks
  (76.01.09)
  
Nickel-Strunz
(10th edition) :
09.FA.70
  (09) Silicates
  (09.F) Tektosilicates without Zeolitic H2O
  (09.FA) Tektosilicates without additional non-tetrahedral anions
  
Crystal system: Tetragonal System
Point group (H-M): 4/m — dipyramidal
  
  
  

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