Mineral Information and Data:

Delvauxite
CaFe3+4(PO4)2(OH)8 • 4-5H2O [CNMNC approved formula]

Named after J.S.P.J. Delvaux de Feuffe (1782-1863), Belgian chemist who first described and analyzed the mineral.

IMA status : Valid species (Pre-IMA 1838) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
42.06.06.01  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.06) where (AB)2 (XO4) Zq · x(H2O)
  (42.06.06)
  
Nickel-Strunz
(10th edition) :
08.DM.35
  (08) Phosphates, Arsenates, Vanadates
  (08.D) Phosphates, etc
  (08.DM) With large and medium-sized cations, (OH, etc.):RO4 > 2:1
  
Crystal system:  
Point group (H-M):
  
  
  
Comments: Amorphous- No Crystals

<<< BACK TO MINERAL SEARCH