General Information:
Chemical Formula:
(Pb,Ba,Ca)U2O7·2(H2O)
Composition:
(Molecular Weight = 793.61 gm)
Barium 5.19 % Ba
Calcium 0.51 % Ca
Uranium 59.99 % U
Hydrogen 0.51 % H
Lead 15.67 % Pb
Oxygen 18.14 % O
Empirical Formula:
Pb0.6Ba0.3Ca0.1U2O7·2(H2O)
Environment:
In fissures in fluorite with other uranium minerals.
Locality:
Wolsendorf, Bavaria, Germany.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[001] Good
Color:
red or carmine red.
Density:
6.8
Habits:
Platy - Sheet forms (e.g. micas)., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
5 - Apatite
Luster:
Vitreous - Adamantine
More details...