Mineralogy Database

Agrinierite Mineral Data

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General Agrinierite Information

Help on Chemical  Formula: Chemical Formula: (K2,Ca,Sr)U3O10•4(H2O)
Help on Composition: Composition: Molecular Weight = 998.94 gm
   Potassium   1.57 %  K     1.89 % K2O
   Strontium   1.75 %  Sr    2.07 % SrO
   Calcium     1.60 %  Ca    2.25 % CaO
   Uranium    71.48 %  U    85.90 % UO3
   Hydrogen    0.85 %  H     7.57 % H2O
   Oxygen     22.74 %  O
             ______        ______ 
             100.00 %       99.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.4K0.4Sr0.2U3O10•4.2(H2O)
Help on Environment: Environment: In the oxidized zone of a uranium deposit.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Margnac mine, Compreignac, Haute-Vienne, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Henri Agrinier (1928-1971), an engineer in the Mineralogy Laboratory if the French Atomic Energy Commission, Paris, France.
Help on Name Pronunciation: Name Pronunciation: Agrinierite + Pronunciation Say AGRINIERITE
Help on Synonym: Synonym: ICSD 89723
  PDF 25-630
 

Agrinierite Image

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  Agrinierite

Comments: Golden yellow, transparent agrinierite crystals.
Location: Margnac mine, Compreignac, Haute-Vienne, France. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Agrinierite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5832:1:0.587
Help on Cell Dimensions: Cell Dimensions: a = 14.04, b = 24.07, c = 14.13, Z = 16; V = 4,775.13 Den(Calc)= 5.56
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.128(1), 7.08(1), 3.485(0.8),
 

Physical Properties of Agrinierite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Orange.
Help on Density: Density: 5.62 - 5.7, Average = 5.66
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Lamellar - Thin laminae producing a lamellar structure.
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Luster: Luster: Resinous - Greasy
Help on Magnetism: Magnetism: Nonmagnetic
 

Optical Properties of Agrinierite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.32 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.344 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1862,KPDmeas= 0.1829,KC= 0.1385
Ncalc = 1.77 - 1.79
Help on Optical Data: Optical Data: Biaxial (?), b=2.01, g=2.06, , 2V(Meas)=55.
 

Calculated Properties of Agrinierite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.77 gm/cc
note: Specific Gravity of Agrinierite =5.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0065088483
Boson Index = 0.9934911517
Help on Photoelectric: Photoelectric: PEAgrinierite =1,925.80 barns/electron
U=PEAgrinierite x relectron=9,191.95 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 5,138,381.77 (Gamma Ray American Petroleum Institute Units)
Concentration of Agrinierite per GRapi unit = 194.61 (PPB)

Agrinierite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 5.92 ± 1.48 grams of pure Agrinierite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 591.95 ±147.99 grams of pure Agrinierite .

Estimated Radioactivity from Agrinierite - very strong
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 6.96 cm 127,957,706 3.46E-03 5,138,381.77 1,689.33
100 gm / 3.23 cm 12,795,771 3.46E-04 513,838.18 168.93
10 gm / 1.50 cm 1,279,577 3.46E-05 51,383.82 16.89
1 gm / 6.96 mm 127,958 3.46E-06 5,138.38 1.69
0.1 gm / 3.23 mm 12,796 3.46E-07 513.84 0.17
0.01 gm / 1.50 mm 1,280 3.46E-08 51.38 0.02
0.001 gm / 0.70 mm 128 3.46E-09 5.14 0.00

Weight of pure Agrinierite in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.66 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Agrinierite Classification

Help on  Dana Class: Dana Class: 05.05.01.01 (05)Oxides Containing Uranium and Thorium
  (05.05)with alkaline and alkaline-earth elements (hydrated)
  (05.05.01)Dana Group
 
05.05.01.01 Agrinierite (K2,Ca,Sr)U3O10•4(H2O) C mmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.GB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.G - Uranyl Hydroxides
  04.GB -With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
 
04.GB.05 Agrinierite (K2,Ca,Sr)U3O10•4(H2O) C mmm 2/m 2/m 2/m
 
04.GB.05 Compreignacite K2(UO2)6O4(OH)6•8(H2O) Pnmn 2/m 2/m 2/m
 
04.GB.05 Rameauite K2CaU6O20•9(H2O) C 2/c,Cc Mono
 

Other Agrinierite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Agrinierite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals

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Print or Cut-and-Paste your Agrinierite Specimen Label here :

Agrinierite

(K2,Ca,Sr)U3O10•4(H2O)
Dana No: 05.05.01.01 Strunz No: 04.GB.05
Locality:

 

Notes:

 

 
   
 


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