Osarizawaite
- Named after its type locality Osarizawa mine, Akita Prefecture, Japan
- Formula: PbCuAl2(SO4)2(OH)6
- Space group: R-3m (No. 166)
- Crystal system: trigonal
- Crystal class: -3m
- Lattice parameters: a = 7.075 Å, b = 7.075 Å, c = 17.248 Å, α = β = 90°, γ = 120°
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).)
- PbO12 (slightly distorted) icosahedra (gray)
- SO4 tetrahedra (yellow)
- Cu/AlO6 octahedra (blue)
- Oxygen (red)
- Hydrogen (white)
For a 3D interactive version on sketchfab, see here:
The Fascination of Crystals and Symmetry 