Parauranophane

Image

Uranophane-alpha (light yellow radiating spheres) and Uranophane-beta (dark yellow, fan-like, thick needles) on Granite from Miedzianka in Krkonoše near Janowice Wielkie in Poland (Width: 11.5 mm)

© Photo by F. Rohowski (via Wikimedia Commons), CC-BY-SA 3.0

Properties

Formula Ca(UO2)2(SiO3OH)2·5H2O
Abbreviation Urp-β
Classifications Uranophane (group), Minerals containing H2O, Minerals containing OH
Luminescence emitter UO2
IMA Status Grandfathered (pre-IMA), 1935
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Uranophane, Uranophane-β
Crystal symmetry Monoclinic, Point group 2/m, Space group P21/c (#14)
Tags Hydroxide , Mineral, Silicate , Uranyl , Hydrated

Composition

Element Atoms
Ca 1
Si 2
H 4
U 2
O 13
Total: 22

Reference

Reference
Lines Spectra Images
Gorobets and Rogojine 2002 4 0 0