LithoCat

MineralUranophane
FormulaCa(UO2)2(SiO3OH)2 · 5H2O
Crystal FormMonoclinic/Sphenoidal [2]
CleavagePerfect on {100}
ColorLight yellow, Lemon-yellow, Honey-yellow, Straw-yellow, Green-yellow
Density3.8 – 3.9 g/cm3
DiaphaneityTransparent, Translucent
FractureUneven
Hardness2.0 - 3.0
LustreVitreous, Greasy, Silky, Dull, Earthy
StreakYellowish white
Type Loc.Miedzianka, Jelenia Góra Dist., Rudawy Janowickie Mts, Lower Silesia, Poland
Dana 8 Class53.3.1.2
Strunz Class8/B.34-40
Mindatmindat.org
WebMineralWebMineral
ID436