Mineral Information and Data:

Haineaultite
(Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8 • 5H2O [CNMNC approved formula]

Named for Gilles Haineault (1946-), collector and dealer in Mont Saint-Hilaire minerals.

IMA status : Approved Species 1997 ()
CLASSIFICATION 
Dana
(8th edition) :
66.03.01.06  (This Dana# Added)
  (66) Inosilicate Double-Width Unbranched Chains, W=2
  (66.03) with chains P>2
  (66.03.01) P=3
  
Nickel-Strunz
(10th edition) :
09.DG.50
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DG) with 3-periodic single and multiple chains
  
Crystal system: Orthorhombic System
Point group (H-M): 222 — disphenoidal
  
  
  

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