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Metalodevite Mineral Data

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General Metalodevite Information

Help on Chemical  Formula: Chemical Formula: Zn(UO2)2(AsO4)2•10(H2O)
Help on Composition: Composition: Molecular Weight = 1,063.44 gm
   Uranium   44.77 %  U    50.78 % UO2
   Zinc       6.15 %  Zn    7.65 % ZnO
   Arsenic   14.09 %  As   21.61 % As2O5
   Hydrogen   1.90 %  H    16.94 % H2O
   Oxygen    33.10 %  O
            ______        ______ 
            100.00 %       96.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn(UO2)2(AsO4)2•10(H2O)
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: Lodeve, Herault, and St. Martin du bose, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Metalodevite + Pronunciation Say METALODEVITE
Help on Synonym: Synonym: Meta-lodevite - Renamed as Metalodevite by Mineralogical Record, v330 (2008), p131

Metalodevite Image

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Comments: Micro crystals of pale yellow metalodevite to 1 mm.
Location: Rivieral, Lodeve, Herault, Languedoc-Roussillon, France. Scale: Specimen Size 5 x 2 x 3 cm.
© Tom Loomis / Dakota Matrix

Metalodevite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.40223
Help on Cell Dimensions: Cell Dimensions: a = 7.16, c = 17.2, Z = 2; V = 881.77 Den(Calc)= 4.01
Help on Crystal System: Crystal System: Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: P 41/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.59(1), 8.66(0.7), 2.98(0.6),

Physical Properties of Metalodevite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Light yellow, Olive green.
Help on Density: Density: 4
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=feeble yellow green, Long UV=feeble yellow green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Metalodevite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1569,KPDmeas= 0.1573,KC= 0.1555
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (-), a=1.615, b=1.635, g=1.638, bire=0.0230, 2V(Calc)=40, 2V(Meas)=27-37. Dispersion anomalously biaxial.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.

Calculated Properties of Metalodevite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Metalodevite =4.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0059059314
Boson Index = 0.9940940686
Help on Photoelectric: Photoelectric: PEMetalodevite =1,148.04 barns/electron
U=PEMetalodevite x relectron=4,121.25 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,415,915.87 (Gamma Ray American Petroleum Institute Units)
Concentration of Metalodevite per GRapi unit = 292.75 (PPB)

Metalodevite 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) 8.90 ± 2.23 grams of pure Metalodevite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 890.44 ±222.61 grams of pure Metalodevite .

Estimated Radioactivity from Metalodevite - very strong
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 7.81 cm 80,131,102 2.17E-03 3,415,915.87 1,123.04
100 gm / 3.62 cm 8,013,110 2.17E-04 341,591.59 112.30
10 gm / 1.68 cm 801,311 2.17E-05 34,159.16 11.23
1 gm / 7.81 mm 80,131 2.17E-06 3,415.92 1.12
0.1 gm / 3.62 mm 8,013 2.17E-07 341.59 0.11
0.01 gm / 1.68 mm 801 2.17E-08 34.16 0.01
0.001 gm / 0.78 mm 80 2.17E-09 3.42 0.00

Weight of pure Metalodevite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.01 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

Metalodevite Classification

Help on  Dana Class: Dana Class: 40.02a.18.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.18)Dana Group
40.02a.18.01 Metalodevite Zn(UO2)2(AsO4)2•10(H2O) P 41/m 4/m
Help on  Strunz Class: Strunz Class: 08.EB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
08.EB.10 Bassetite Fe(UO2)2(PO4)2•8(H2O) P 21/m 2/m
08.EB.10 Lehnerite Mn[UO2/PO4]2•8(H2O) P 21/n 2/m
08.EB.10 Metazeunerite Cu(UO2)2(AsO4)2•8(H2O) P 4/n 4/m
08.EB.10 Meta-autunite Ca(UO2)2(PO4)2•2-6(H2O) P 4/nmm 4/m 2/m 2/m
08.EB.10 Metauranocircite Ba(UO2)2(PO4)2•6-8(H2O) P 21 2
08.EB.10 Metauranospinite Ca(UO2)2(AsO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m
08.EB.10 Metaheinrichite Ba(UO2)2(AsO4)2•8(H2O) P 21 2
08.EB.10 Metakahlerite Fe(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
08.EB.10 Metakirchheimerite Co(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
08.EB.10 Metalodevite Zn(UO2)2(AsO4)2•10(H2O) P 41/m 4/m
08.EB.10 Metanovacekite Mg(UO2)2(AsO4)2•4-8(H2O) P 4/n 4/m
08.EB.10 Metatorbernite Cu(UO2)2(PO4)2•8(H2O) P 4/n 4/m
08.EB.10 Przhevalskite Pb(UO2)2(PO4)2•4(H2O) Unk Tetra

Other Metalodevite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Metalodevite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: 40.02a.18.01 Strunz No: 08.EB.10





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