Agrinierite	IMA-A 1971-046
Uranium	5.5.1.1 (Dana Classification Number)
(No Images)	4/H.02-10 (Strunz ID)

(Also see Compreignacite and Rameauite for comparison)

Property	Data	Remarks
Named for:	Henri Agrinier (1928-1971), engineer, Mineralogy Laboratory, French Atomic Energy Commission.
Alternate     Name(s):
Mineral Class:	Oxides   Uranyl ([UO2]2+) hydroxides and hydrates     Agrinierite - Rameauite series
Chemical     Formula:	(K2,Ca,Sr)U3O10 · 4H2O
Chemical     Composition:	Calcium: (Ca) 1.60% Hydrogen: (H): 0.85% Oxygen: (O): 22.84% Potassium: (K): 1.57% Strontium: (Sr): 1.75% Uranium: (U) 71.48%	by weight
Molecular     Weight:	998.94	daltons (amu)
Specific     Radioactivity:	(All radiation is for a 1 gram, fully aged specimen) Specific Activity Dose Rate Becquerels Curies milliRADs per hour microSieverts 1.27598 × 1005 3.46 × 10-06 1.69 16.9 Estimated Average Annual Exposure: 3.6 RAD (3.6 centiSieverts)
Crystalography:	System: Orthorhombic - Dipyramidal Axial Ratios: a: 0.5832 b: 1 c: 0.587 Cell Dimensions: a: 14.04 Å b: 24.07 Å c: 14.13 Å Z: 16 V: 4,775.13 Å3 DenCalc: 5.56 H-M Symbol: 2/m 2/m 2/m Space Group: Cmmm X-Ray Diffraction:   By Intensity ( I/Io ) (1): 3.128 Å (1): 7.08 Å (0.8): 3.485 Å
Habit:	Lamellar Pseudo Hexagonal
Cleavage:	[001] Good [010]   [100]
Fracture:
Moh's     Hardness:
Density:	5.62 - 5.7	grams/cm3
Color:	Orange
Streak:
Luster:	Resinous - Greasy
Diaphaniety:	Transparent to Translucent
Pleochroism:	(x):   (y:)   (z:)
Ultra Violet     Fluorescence:	Long Wave:   Short Wave:
Magnetism:	Non-magnetic
Occurance:	In the oxidized zone of a uranium deposit
Associated     Minerals:	Autunite, Barite, Becquerelite, Billietite, Coffinite, Compreignacite, Curite, Fluorite, 'Gummite', Hematite, Ianthinite, Meta-Autunite, Parsonsite, Phosphuranylite, 'Pitchblende', Quartz, Rameauite, Sabugalite, Schoepite, Uraninite, Uranophane, Uranophane-beta, Wolsendorfite Minerals   -   Uranium & Thorium mineral links	These are minerals known to be found with Agrinierite
Localities:	Extremely rare Agrinierite Localities
Notes:	Strongly radioactive a- and b-particles, g-rays. Crystals are probably metamic.