Oppenheimerite
A variety of Minerals
What is Oppenheimerite?
Oppenheimerite is a very rare uranium mineral with the formula Na2(UO2)(SO4)2•3H2O. Chemically related minerals include fermiite, natrozippeite, plášilite, belakovskiite and meisserite. Most of these uranyl sulfate minerals were originally found in the Blue Lizard mine, San Juan County, Utah, US. The mineral is named after American Theoretical physicist J. Robert Oppenheimer.
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Oppenheimerite Localities Map
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Key Characteristics
Composition of Oppenheimerite
The crystal structure of oppenheimerite is of a new type. It contains chains of the (UO2)(SO4)2(H2O) composition, connected with two types of sodium polyhedra.
Quick Facts
Physical Properties
- Color
- Pale greenish-yellow
- Density
- 3.36 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Na2(UO2)(SO4)2·3H2O
- Elements
- H, Na, O, S, U

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