Mineral Information and Data:

Chevkinite-(Ce)
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 [CNMNC approved formula]

Named for General Konstatin Vladimirovich Tschevkin [Chevkin] (1802-1875), Chief o f Staff of the Russian Mining Engineers Corps.

IMA status : Approved Species 1839 ()
CLASSIFICATION 
Dana
(8th edition) :
56.02.08.01  
  (56) Sorosilicate Si2O7 Groups and O, OH, F. and H2O
  (56.02) with cations in [4] and/or >[4] coordination
  (56.02.08) Perierite - Chevkinite group
  
Nickel-Strunz
(10th edition) :
09.BE.70
  (09) Silicates
  (09.B) Sorosilicates (dimer) structures
  (09.BE) Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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