Arsenuranospathite Mineral Data + Say ARSENURANOSPATHITE


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General Arsenuranospathite Information

Help on Chemical  Formula: Chemical Formula: HAl(UO2)4(AsO4)4·40(H2O)
Help on Composition: Composition: Molecular Weight = 2,384.39 gm
   Uranium   39.93 %  U    45.30 % UO2
   Aluminum   1.13 %  Al    2.14 % Al2O3
   Arsenic   12.57 %  As   19.28 % As2O5
   Hydrogen   3.42 %  H    30.60 % H2O
   Oxygen    42.94 %  O
            ______        ______ 
            100.00 %       97.32 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: HAl(UO2)4(AsO4)4·40(H2O)
Help on Environment: Environment: A very rare secondary mineral in uranium deposits.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: In Germany, in the Black Forest, at Menzenschwand and on the dump of the Sophia mine, near Wittichen. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: As the "arsenate" analog of "uranospathite."
 

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Arsenuranospathite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:4.24162
Help on Cell Dimensions: Cell Dimensions: a = 7.16, c = 30.37, Z = 1; V = 1,556.94 Den(Calc)= 2.54
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 41/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.62(1), 14.62(1), 3.49(0.9),
 

Physical Properties of Arsenuranospathite

Help on Cleavage: Cleavage: [001] Perfect, [100] Distinct
Help on Color: Color: White, Light yellow.
Help on Density: Density: 2.54
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Arsenuranospathite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.149 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.149 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2126,KPDmeas= 0.2126,KC= 0.185
Help on Optical Data: Optical Data: Uniaxial (-), e=1.538, w=1.542, bire=0.0040.
 

Calculated Properties of Arsenuranospathite

Help on Electron Density: Electron Density:

relectron=2.36 gm/cc
note: rArsenuranospathite =2.54 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00308
Boson Index = 0.99692
Help on Photoelectric: Photoelectric:

PEArsenuranospathite = 985.47 barns/electron
U=PEArsenuranospathite x relectron=2,322.12 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 3,157,581.16 (Gamma Ray American Petroleum Institute Units)

Arsenuranospathite 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) 9.63 ± 2.41 grams of pure Arsenuranospathite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 963.29 ±240.82 grams of pure Arsenuranospathite .

Estimated Radioactivity from Arsenuranospathite - 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 / 9.09 cm 71,476,902 1.93E-03 3,157,581.16 1,038.11
100 gm / 4.22 cm 7,147,690 1.93E-04 315,758.12 103.81
10 gm / 1.96 cm 714,769 1.93E-05 31,575.81 10.38
1 gm / 9.09 mm 71,477 1.93E-06 3,157.58 1.04
0.1 gm / 4.22 mm 7,148 1.93E-07 315.76 0.10
0.01 gm / 1.96 mm 715 1.93E-08 31.58 0.01
0.001 gm / 0.91 mm 71 1.93E-09 3.16 0.00

Weight of pure Arsenuranospathite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.54 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
 

Arsenuranospathite Classification

Help on  Dana Class: Dana Class: 40.2a.23.1 (40)Hydrated Phosphates, etc
  (40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++
  (40.2a.23)Dana Group
 
40.2a.23.1 Arsenuranospathite HAl(UO2)4(AsO4)4·40(H2O) P 41/n 4/m
Help on  Strunz Class: Strunz Class: VII/E.04-20 VII - Phosphates, Arsenates and Vanadates
  VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-
  VII/E.04 - Uranospathite - Arsenuranospathite series
 
VII/E.04-10 Uranospathite HAl(UO2)4(PO4)4·40(H2O) P 41/n 4/m
 
VII/E.04-20 Arsenuranospathite HAl(UO2)4(AsO4)4·40(H2O) P 41/n 4/m
 

Other Arsenuranospathite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Arsenuranospathite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Uranium Minerals 13 -École des Mines de Paris

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

Arsenuranospathite

HAl(UO2)4(AsO4)4·40(H2O)
Dana No: 40.2a.23.1 Strunz No: VII/E.04-20
Locality:

 

Notes:

 

 
   
 
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