Soddyite

Soddyite
A piece of rock from Swambo in the Democratic Republic of Congo containing yellow crystals of soddyite
General
Category	Nesosilicates
Formula (repeating unit)	(UO2)2SiO4·2H2O
Strunz classification	9.AK.05
Crystal system	Orthorhombic
Crystal class	Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Space group	Fddd

Soddyite is a mineral of uranium with chemical formula: (UO₂)₂SiO₄·2H₂O. It has yellow crystals and usually mixed with curite in oxidized uranium ores. It is named after Frederick Soddy (1877–1956), British radiochemist and physicist.