Mineral Information and Data:

Lorenzenite
Na2Ti2O3(Si2O6) [CNMNC approved formula]

Named for Johannes Theodor Lorenzen (1855-1884), Danish mineralogist and student of Greenland minerals.

IMA status : Valid species (Pre-IMA 1897) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
65.01.06.01  
  (65) Inosilicate Single-Width Unbranched Chains, W=1
  (65.01) with chains P=2
  (65.01.06) Lorenzenite group
  
Nickel-Strunz
(10th edition) :
09.DB.10
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DB) with 2-periodic single chains, Si2O6; Pyroxene-related minerals
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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