General Information:
Chemical Formula:
Fe++(UO2)2(SO4)2(OH)2·3(H2O)
Composition:
(Molecular Weight = 876.09 gm)
Uranium 54.34 % U
Iron 6.37 % Fe
Hydrogen 0.92 % H
Sulfur 7.32 % S
Oxygen 31.05 % O
Empirical Formula:
Fe2+(UO2)2(SO4)2(OH)2·3(H2O)
Environment:
Oxidized zone of an uranium depost.
IMA Status:
Approved IMA (Dana # Added)
Locality:
Mas D'Alary, Lodeve, Herault, France.
Name Origin:
For Dr. Michel Deliens (1939-), Royal Belgian Instatute of Natural Sciences, Brunssels, in recognition oh his research on uranium bearing minerals.
Physical Properties:
Cleavage:
[100] Perfect
Color:
yellow, white, or grayish.
Density:
3.268
Diaphaniety:
Transparent to translucent
Habits:
Spherical - Spherical, rounded aggregates., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
2 - Gypsum
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...