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Arsenuranylite Mineral Data

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General Arsenuranylite Information

Help on Chemical  Formula: Chemical Formula: Ca(UO2)4(AsO4)2(OH)4•6(H2O)
Help on Composition: Composition: Molecular Weight = 1,574.15 gm
   Calcium    2.55 %  Ca    3.56 % CaO
   Uranium   60.48 %  U    68.62 % UO2
   Arsenic    9.52 %  As   14.60 % As2O5
   Hydrogen   1.02 %  H     9.16 % H2O
   Oxygen    26.43 %  O
            ______        ______ 
            100.00 %       95.93 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca(UO2)4(AsO4)2(OH)4•6(H2O)
Help on Environment: Environment: Oxidation zone of As-containing sulfide deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its relationship to phosphuranylite as the end-member.
Help on Name Pronunciation: Name Pronunciation: Arsenuranylite Say ARSENURANYLITE
 

Arsenuranylite Image

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  Arsenuranylite

Comments: Yellow crystalline arsenuranylite.
Location: Rudnoje, Bukhara District, Uzbekistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Arsenuranylite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.885:1:0.7912
Help on Cell Dimensions: Cell Dimensions: a = 15.4, b = 17.4, c = 13.768, Z = 6; V = 3,689.27 Den(Calc)= 4.25
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Bmmb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.85(1), 7.72(1), 8.41(0.8),
 

Physical Properties of Arsenuranylite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Orange, Yellow.
Help on Density: Density: 4.25
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Streak: Streak: light yellow
 

Optical Properties of Arsenuranylite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.362 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.362 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1783,KPDmeas= 0.1783,KC= 0.1309
Ncalc = 1.56
Help on Optical Data: Optical Data: Biaxial (-), a=1.738, b=1.761, g=1.774, bire=0.0360
 

Calculated Properties of Arsenuranylite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.66 gm/cc
note: Specific Gravity of Arsenuranylite =4.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0045176363
Boson Index = 0.9954823637
Help on Photoelectric: Photoelectric: PEArsenuranylite =1,600.54 barns/electron
U=PEArsenuranylite x relectron=5,859.62 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,441,113.30 (Gamma Ray American Petroleum Institute Units)
Concentration of Arsenuranylite per GRapi unit = 225.17 (PPB)

Arsenuranylite 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) 6.85 ± 1.71 grams of pure Arsenuranylite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 684.89 ±171.22 grams of pure Arsenuranylite .

Estimated Radioactivity from Arsenuranylite - 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 / 7.66 cm 108,267,245 2.93E-03 4,441,113.30 1,460.09
100 gm / 3.56 cm 10,826,725 2.93E-04 444,111.33 146.01
10 gm / 1.65 cm 1,082,672 2.93E-05 44,411.13 14.60
1 gm / 7.66 mm 108,267 2.93E-06 4,441.11 1.46
0.1 gm / 3.56 mm 10,827 2.93E-07 444.11 0.15
0.01 gm / 1.65 mm 1,083 2.93E-08 44.41 0.01
0.001 gm / 0.77 mm 108 2.93E-09 4.44 0.00

Weight of pure Arsenuranylite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.25 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
 

Arsenuranylite Classification

Help on  Dana Class: Dana Class: 42.04.09.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.04)where (AB)5 (XO4)2 Zq � x(H2O)
  (42.04.09)Arsenuranylite Group
 
42.04.09.01 Arsenuranylite Ca(UO2)4(AsO4)2(OH)4•6(H2O) Bmmb 2/m 2/m 2/m
 
42.04.09.02 Renardite Pb(UO2)4(PO4)2(OH)4•7(H2O) Bmmb 2/m 2/m 2/m
 
42.04.09.03 Kivuite? (Th,Ca,Pb)H2(UO2)4(PO4)2(OH)8•7(H2O) Unk Ortho
Help on  Strunz Class: Strunz Class: 08.EC.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EC -UO2:RO4 = 3:2
 
08.EC.10 Arsenuranylite Ca(UO2)4(AsO4)2(OH)4•6(H2O) Bmmb 2/m 2/m 2/m
 
08.EC.10 Dewindtite Pb3[H(UO2)3O2(PO4)2]2•12(H2O) Bmmb 2/m 2/m 2/m
 
08.EC.10 Kivuite? (Th,Ca,Pb)H2(UO2)4(PO4)2(OH)8•7(H2O) Unk Ortho
 
08.EC.10 Renardite Pb(UO2)4(PO4)2(OH)4•7(H2O) Bmmb 2/m 2/m 2/m
 
08.EC.10 Phosphuranylite KCa(H3O)3(UO2)7(PO4)4O4•8(H2O) C mcm 2/m 2/m 2/m
 
08.EC.10 Yingjiangite (K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O) Bmmb 2/m 2/m 2/m
 

Other Arsenuranylite Information

Help on References: References: NAME( Dana8) 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 Arsenuranylite :
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 Arsenuranylite Specimen Label here :

Arsenuranylite

Ca(UO2)4(AsO4)2(OH)4•6(H2O)
Dana No: 42.04.09.01 Strunz No: 08.EC.10
Locality:

 

Notes:

 

 
   
 


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