Mineral Information and Data:

Karnasurtite-(Ce)
CeTiAlSi2O7(OH)4 • 3H2O [CNMNC approved formula]

Named for the locality: Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia.

IMA status : Approved Species 1959 ()
CLASSIFICATION 
Dana
(8th edition) :
52.04.09.07  
  (52) Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.04) with cations in [6] and/or > [6] coordination
  (52.04.09) Silicate apatites
  
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: Hexagonal System
Point group (H-M): Unknown — Unk
  
  
  
Comments: Radioactive.

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