Althupite	IMA-A 1986-003
Uranium Thorium	42.4.13.1 (Dana Classification Number)
(No Images)	7/E.07-130 (Strunz ID)

Property	Data	Remarks
Named for:	Its main constituents: Aluminum, Thorium, Uranium and Phosphorus
Alternate     Name(s):
Mineral Class:	Phosphates, Arsenates and Vanadates   Uranylphosphates and uranylvanadates with [UO2]+2 - [PO4 | AsO4]-3 and [UO2]+2 - [V2O8]-6     Phosphuranylite series
Chemical     Formula:	ThAl(UO2)7(PO4)4(OH)5 · 15H2O
Chemical     Composition:	Aluminum: (Al) 0.94% Hydrogen: (H) 1.22% Oxygen: (O) 27.73% Phosphorus: (P) 4.30% Thorium: (Th) 8.04% Uranium: (U) 57.77%	by weight
Molecular     Weight:	2,884.36	daltons (amu)
Specific     Radioactivity:	(All radiation is for a 1 gram, fully aged specimen) Specific Activity Dose Rate Becquerels Curies  milliRems  hour  microSieverts  hour 1.07006 × 1005 2.89 × 10-06 1.44 144.27 Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
Crystalography:	System: Triclinic - Pinacoidal Axial Ratios: a: 0.5899 b: 1 c: 0.7273 Cell Dimensions: a: 10.953 Å b: 18.567 Å c: 13.504 Å Z: 2 a: 72.64° b: 68.2° g: 84.21° V: 2,421.27 Å3 DenCalc: 3.96 H-M Symbol: -1 Space Group: P-1 X-Ray Diffraction:   By Intensity ( I/Io ) (1): 10.2 Å (0.7): 5.09 Å (0.5): 5.8 Å
Habit:
Cleavage:	[???] Good
Fracture:
Moh's     Hardness:	3.5 - 4
Density:	3.9	grams/cm3
Color:	Yellow
Streak:	Yellow white
Luster:	Vitreous
Diaphaniety:	Transparent to Translucent
Pleochroism:	(x):   (y:)   (z:)
Ultra Violet     Fluorescence:	Long Wave:   Short Wave:
Magnetism:	Non-magnetic
Occurance:	A secondary mineral in the uraniferous zone of an altered granite pegmatite
Associated     Minerals:	Althupite, Amblygonite, Beryl, Columbite', Dumontite, Eylettersite, Furongite, Kamitugaite, Lusungite, Meta-Autunite, Metavanmeersscheite, Montebrasite, 'Moreauite', Mundite, Phosphuranylite, Phuralumite, Plumbomicrolite, Quartz, Ranunculite, Rutherfordine, Saléeite, Studtite, Threadgoldite, Triangulite, Upalite, Uraninite, Vanmeersscheite Minerals   -   Uranium & Thorium mineral links	These are minerals known to be found with Althupite
Localities:	Extremely rare Althupite Localities
Notes:	Strongly radioactive a- and b-particles, g-rays. Crystals are probably metamic.