Mineral Information and Data:

Ohmilite
Sr3(Ti,Fe3+)(Si2O6)2(O,OH) • 2H2O [CNMNC approved formula]

Named for the locality: Ohmi, Niigata Prefecture, Japan.

IMA status : Approved Species 1973 ()
CLASSIFICATION 
Dana
(8th edition) :
65.03.04.03  
  (65) Inosilicate Single-Width Unbranched Chains, W=1
  (65.03) with chains P=4
  (65.03.04) Batisite group
  
Nickel-Strunz
(10th edition) :
09.DH.10
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DH) with 4-periodic single chains, Si4O12
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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