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]
Althupite | |
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General | |
Category | Mineral |
Formula (repeating unit) | 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 |