Althupite
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| Althupite | |
|---|---|
 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. | |
| General | |
| Category | Minerals |
| Formula | AlTh(UO2)7(PO4)4O2(OH)5·15H2O |
| IMA symbol | App |
| Identification | |
| Color | Yellow |
| Tenacity | Flexible |
| Mohs scale hardness | 3.5-4 |
| Luster | Vitreous, Sub-Vitreous |
| Streak | Yellow |
| Diaphaneity | Transparent |
| Specific gravity | 3.91 |
| Other characteristics |  Radioactive |
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]
