• Named after its type locality, the Rodalquilar gold deposit, Almeria, Spain
  • Formula: Fe2(TeO2OH)3(TeO3)Cl
  • Space group: P-1 (No. 2)
  • Crystal system: triclinic
  • Crystal class: -1
  • Lattice parameters: a = 5.103 Å, b = 6.653 Å, c = 9.012 Å, α = 73.40, β = 78.03° γ  = 76.76°

Picture: Christian Rewitzer  | CC BY-SA-3.0

Crystal structure (click on the picture to download the VESTA file):

(K. Momma and F. Izumi, “VESTA 3 for three-dimensional visualization of crystal, volumetric and morphology data,”J. Appl. Crystallogr., 44, 1272-1276 (2011).)


  • FeO6 octahedra (brown)
  • TeO3 trigonal pyramids (blue)
  • Oxygen (red)
  • Hydrogen (white)
  • Chlorine (green)

For a 3D interactive version on sketchfab, see here:


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