Rameauite
A hydrated potassium-calcium uranyl oxide of complex structure.
Intro adapted from Wikipedia (CC BY-SA).
Rameauite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula K₂Ca(UO₂)₆O₆(OH)₄·6H₂O.
It crystallizes in the monoclinic crystal system. It is a member of the Compreignacite structural group.
Key properties: specific gravity 5.6; optically biaxial.
IMA symbol Rme, IMA status: approved, named in 1971.
Found in the oxidation zone of uranium deposits.
It is found associated with Calcite, uranophane, uraninite, “gummite”.
The name refers to Jacques Rameau (?–1960), prospector for the French Atomic Energy Commission, Paris, France, who discovered the Margnac 2 deposit.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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