Dokl. Akad. Nauk SSSR, 1978 Volume 239, Number 4,Pages 842–845(Mi dan41642)
CRYSTALLOGRAPHY
Refinement of the crystal structure of dioptase,
$\mathrm{Cu}_6[\mathrm{Si}_6\mathrm{O}_{18}]\cdot6\mathrm{H}_2\mathrm{O}$, by the methods of X-ray and neutron diffraction