Mineral Information and Data:

Decrespignyite-(Y)
Y4Cu(CO3)4Cl(OH)5 • 2H2O [CNMNC approved formula]

Named for Robert James Champion de Crespigny (1950-), Chancellor of the University of Adelaide, Australia.

IMA status : Approved Species 2002 ()
CLASSIFICATION 
Dana
(8th edition) :
16a.01.11.01  
  (16a) Carbonates - Hydroxyl or Halogen
  (16a.01) in the Bastnasite/Shynchysite/Parasite Groups
  (16a.01.11)
  
Nickel-Strunz
(10th edition) :
05.CC.35
  (05) Carbonates and Nitrates
  (05.C) Carbonates without Additional Anions, with H2O
  (05.CC) With rare earth elements (REE)
  
Crystal system:  
Point group (H-M):
  
  
  

<<< BACK TO MINERAL SEARCH