Mineral Information and Data:

Gottardiite
Na3Mg3Ca5Al19Si117O272 • 93H2O [CNMNC approved formula]

Named after Professor Glauco Gottardi (1928-1988), University of Modena, in recognition of his pioneering work on the structure and crystal chemistry of natural zeolites.

IMA status : Approved Species 1996 ()
CLASSIFICATION 
Dana
(8th edition) :
77.01.06.08  (This Dana# Added)
  (77) Tectosilicate Zeolite group
  (77.01) true zeolites
  (77.01.06) Mordenite and related species
  
Nickel-Strunz
(10th edition) :
09.GF.10
  (09) Silicates
  (09.G) Tektosilicates with Zeolitic H2O
  (09.GF) Other Rare Zeolites
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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