Mineral Information and Data:

Ferriallanite-(Ce)
CaCeFe2+Fe3+Al(SiO4)(Si2O7)O(OH) [CNMNC approved formula]

Named as the Fe3+ analogue of allanite-(Ce).

IMA status : Approved Species 2002 ()
CLASSIFICATION 
Dana
(8th edition) :
58.02.01c.07  (This Dana# Added)
  (58) Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02) with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.01c) Epidote group (Allanite subgroup)
  
Nickel-Strunz
(10th edition) :
09.BG.05b
  (09) Silicates
  (09.B) Sorosilicates (dimer) structures
  (09.BG) Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

<<< BACK TO MINERAL SEARCH