General Information:
Chemical Formula:(Pb,Ba,Ca)U2O7·2(H2O)
Composition:(Molecular Weight = 793.61 gm)Barium 5.19 %
BaCalcium 0.51 %
CaUranium 59.99 %
U Hydrogen 0.51 %
H Lead 15.67 %
PbOxygen 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
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