Althupite

Althupite (IMA symbol: Ahp[1]) 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).[2][3][4]

Yellow crystals of the extremely rare Th-U mineral althupite from the type and only known locality worldwide in Kobokobo (Kobokobo Pegmatite, Mwenga, South Kivu, DR Congo). Vandenbroucke Museum collection from Waregem, Belgium.

References
  1. Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. Piret P. and Deliens M. 1987: Les phosphates d'uranyle et d'aluminium de Kobokobo. IX. L'althupite AlTh(UO2)[(UO2)3O(OH)(PO4)2]2(OH)3·15H2O, nouveau minéral; propriétés et structure cristalline. Bulletin de Mineralogie, 110, 65-72
  3. http://www.mindat.org/min-149.html Mindat
  4. http://rruff.geo.arizona.edu/doclib/hom/althupite.pdf Handbook of Mineralogy


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