- a yellow mineral, a hydrous calcium uranium phosphate, CaU2P2O12⋅8H2O, occurring in crystals as nearly square tablets: a minor ore of uranium.
Origin of autunite
1850–55; named after Autun, city in E France near source of supply; see -ite1
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Examples from the Web for autunite
Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates.
- a yellowish fluorescent radioactive mineral consisting of a hydrated calcium uranium phosphate in tetragonal crystalline form. It is found in uranium ores. Formula: Ca(UO 2) 2 (PO 4) 2 .10–12H 2 O
C19: named after Autun in France, one of the places where it was found, + -ite 1
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