Mineral Information and Data:

Calciohilairite
CaZrSi3O9 • 3H2O [CNMNC approved formula]

Named for the "calcium" content and relation to "hilairite.".

IMA status : Approved Species 1988 ()
CLASSIFICATION 
Dana
(8th edition) :
59.02.03.02  
  (59) Cyclosilicate Three-Membered Rings
  (59.02) hydrated
  (59.02.03) Hilairite group
  
Nickel-Strunz
(10th edition) :
09.DM.10
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DM) with 6-periodic single chains
  
Crystal system: Trigonal System
Point group (H-M): 32 — trapezoidal
  
  
  

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