Mineral Information and Data:

Davidite-(Ce)  
Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 [CNMNC approved formula]

Named for its composition and for Tenatt William Edgeworth David (1858-1934), Australian geologist.

IMA status : Approved Species 1960 ()
CLASSIFICATION 
Dana
(8th edition) :
08.05.01.06  
  (08) Multiple Oxides with Nb, Ta, and Ti
  (08.05)
  (08.05.01) Crichtonite group (ABC18 T2 O38)
  
Nickel-Strunz
(10th edition) :
04.CC.40
  (04) Oxides and Hydroxides
  (04.C) Metal:Oxygen = 2:3, 3:5, and Similar
  (04.CC) With large and medium-sized cations
  
Crystal system: Trigonal System
Point group (H-M): 3 — rhombohedral
  
  
  
Other Properties: Radioactive.

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