| Mineral | URANOPHANE |
| Chemistry | Ca(UO 2 ) 2 [SiO 3 (OH)] 2 ·5H 2 O |
| Color | Translucent Yellow |
| CrystalSystem | Monoclinic |
| CrystalHabits | typically fibrous or acicular tufts, radial aggregates and crusts. |
| Hardness | 2 - 3 |
| Characteristics | Radioactive and somewhat fluorescent greenish yellow. |
| Occurences | include Musonoi Mine, Shaba, Zaire; Bergen, Germany and Stone Mountain, Georgiaand Hanosh Mine, New Mexico, USA. |
| Indicators | crystal habit, color, associations, radioactivity and fluorescence. |
| DensityNote | above averagefor translucent minerals |
| IMAStatus | Approved |
| Discovered | 1853 |
| CellParameters | a = 15.85b = 6.98c = 6.64 β=97.45° |
| Ratio | a:b:c = 2.271 : 1 : 0.951 |
| OpticalType | Biaxial (-) |
| RI | n α =1.643 n β =1.666 n γ =1.669 |
| Birefringence | δ=0.026 |
| SurfaceRelief | Moderate |
| TypeLocality | Miedzianka ( Kupferberg) Holy Cross Mts ( Góry Swietokrzyskie) Swietokrzyskie Poland |
| Strunz | 8/B.34-40 8 : Silicates B : Nesosubsilicateswith anions unfamiliar to tetrahederscations of octahedral and tetrahedral orientation [4/6] 34 : Sklodowskite - Uranophane - Kasolite series |
