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Natrouranospinite Mineral Data

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General Natrouranospinite Information

Help on Chemical  Formula: Chemical Formula: (Na2,Ca)(UO2)2(AsO4)2•5(H2O)
Help on Composition: Composition: Molecular Weight = 952.47 gm
   Sodium     3.62 %  Na    4.88 % Na2O
   Calcium    1.05 %  Ca    1.47 % CaO
   Uranium   49.98 %  U    56.70 % UO2
   Arsenic   15.73 %  As   24.13 % As2O5
   Hydrogen   1.06 %  H     9.46 % H2O
   Oxygen    28.56 %  O
            ______        ______ 
            100.00 %       96.64 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.5Ca0.25(UO2)2(AsO4)2•5(H2O)
Help on Environment: Environment: Found in pitchblend-S deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1953
Help on Locality: Locality: Unspecified locality in Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the relationship to uranospinite
Help on Synonym: Synonym: Meta-natrium-uranospinite
  Sodium uranospinite - Renamed to Natrouranospinite by Mineralogical Record, v39 (2008), p131
 

Natrouranospinite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.20926
Help on Cell Dimensions: Cell Dimensions: a = 7.12, c = 8.61, Z = 1; V = 436.48 Den(Calc)= 3.62
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.42(1), 3.63(0.9), 3.27(0.8),
 

Physical Properties of Natrouranospinite

Help on Color: Color: Green, Lemon yellow, Straw yellow.
Help on Density: Density: 3.846
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Pearly
 

Optical Properties of Natrouranospinite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.109 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.178 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1653,KPDmeas= 0.1556,KC= 0.1403
Ncalc = 1.51 - 1.54
Help on Optical Data: Optical Data: Uniaxial (-), e=1.585, w=1.612, bire=0.0270.
 

Calculated Properties of Natrouranospinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.37 gm/cc
note: Specific Gravity of Natrouranospinite =3.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0037515021
Boson Index = 0.9962484979
Help on Photoelectric: Photoelectric: PENatrouranospinite =1,305.33 barns/electron
U=PENatrouranospinite x relectron=4,401.13 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,734,851.38 (Gamma Ray American Petroleum Institute Units)
Concentration of Natrouranospinite per GRapi unit = 267.75 (PPB)

Natrouranospinite 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) 8.14 ± 2.04 grams of pure Natrouranospinite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 814.40 ±203.60 grams of pure Natrouranospinite .

Estimated Radioactivity from Natrouranospinite - 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 / 7.92 cm 89,466,290 2.42E-03 3,734,851.38 1,227.90
100 gm / 3.68 cm 8,946,629 2.42E-04 373,485.14 122.79
10 gm / 1.71 cm 894,663 2.42E-05 37,348.51 12.28
1 gm / 7.92 mm 89,466 2.42E-06 3,734.85 1.23
0.1 gm / 3.68 mm 8,947 2.42E-07 373.49 0.12
0.01 gm / 1.71 mm 895 2.42E-08 37.35 0.01
0.001 gm / 0.79 mm 89 2.42E-09 3.73 0.00

Weight of pure Natrouranospinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.85 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
 

Natrouranospinite Classification

Help on  Dana Class: Dana Class: 40.02a.06.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.06)Dana Group
 
40.02a.06.01 Natrouranospinite (Na2,Ca)(UO2)2(AsO4)2•5(H2O) P 4/nmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.EB.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
 
08.EB.15 Abernathyite K(UO2)(AsO4)•4(H2O) P 4/ncc 4/m 2/m 2/m
 
08.EB.15 Chernikovite (H3O)2(UO2)2(PO4)2•6(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Meta-ankoleite K2(UO2)2(PO4)2•6(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Natrouranospinite (Na2,Ca)(UO2)2(AsO4)2•5(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Uramphite (NH4)(UO2)(PO4)•3(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Trogerite H2(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
 
08.EB.15 Uramarsite! (NH4,H3O)2(UO2)2(AsO4,PO4)2•6H2O P 4/mmm 4/m 2/m 2/m
 

Other Natrouranospinite Information

Help on References: References: PHYS. PROP.(Larousse des Mineraux,1981) OPTIC PROP.(Larousse des Mineraux,1981)
Help on See Also: See Also: Links to other databases for Natrouranospinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Natrouranospinite

(Na2,Ca)(UO2)2(AsO4)2•5(H2O)
Dana No: 40.02a.06.01 Strunz No: 08.EB.15
Locality:

 

Notes:

 

 
   
 


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