Althupite (IMA symbol: Ahp) is a rare aluminium thorium uranyl phosphate mineral with complex formula written as AlTh(UO2)7(PO4)4O2(OH)5·15H2O, from a granitic pegmatite.
It is named after its composition (ALuminium, THorium, Uranium, and Phosphorus).Piret P. and Deliens M. 1987: Les phosphates d'uranyle et d'aluminium de Kobokobo.
IX.
L'althupite AlTh(UO<sub>2</sub>)[(UO<sub>2</sub>)<sub>3</sub>O(OH)(PO<sub>4</sub>)<sub>2</sub>]<sub>2</sub>(OH)<sub>3</sub>·15H<sub>2</sub>O, nouveau minéral; propriétés et structure cristalline.
Bulletin de Mineralogie, 110, 65-72http://www.mindat.org/min-149.html Mindathttp://rruff.geo.arizona.edu/doclib/hom/althupite.pdf Handbook of Mineralogy References
