A yellowish, fluorescent minor ore of uranium with the composition Ca(UO2 )2 (PO4 )2 · 10–12H2 O.
A hydrous, radioactive, tetragonal mineral, Ca(UO2)2(PO4)210-12H2O: it is an ore of uranium.
Origin of autunite
- After Autun , a city of east-central France
From American Heritage Dictionary of the English Language, 5th Edition