• named in honour of Basilius Valentinus, a writer on alchemy. He is the supposed author of the first book to give a detailed description of antimony and its compounds.
  • Formula: Sb2O3
  • Space group: Pccn (No. 56)
  • Crystal system: orthorhombic
  • Crystal class: mmm
  • Lattice parameters: a = 4.89960 Å, b = 12.4490 Å, c = 5.41030 Å, α = β = γ = 90°

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).)

  • corner-connected SbO3 pyramids (purple)
  • Oxygen (red)

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


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