General Information:
Chemical Formula:
Ba(UO2)2(AsO4)2·8(H2O)
Composition:
(Molecular Weight = 1,099.34 gm)
Barium 12.49 % Ba
Uranium 43.30 % U
Arsenic 13.63 % As
Hydrogen 1.47 % H
Oxygen 29.11 % O
Empirical Formula:
Ba(UO2)2(AsO4)2·8(H2O)
Environment:
Alteration product of heinrichite.
Locality:
White King mine, 22 km NW of Lakeview, Lake County, Oregon, USA.
Name Origin:
Named as the lower hydrate and for Eberhardt William Heinrich (1918-1991), Mineralogist, University of Michigan, Ann Arbor, MI, USA.
Physical Properties:
Cleavage:
[001] Perfect, [100] Distinct
Color:
yellowish green.
Density:
4.04
Diaphaniety:
Transparent to Translucent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous - Pearly
Streak:
yellowish white
More details...