General Metazellerite Information
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Chemical Formula: |
Ca(UO2)(CO3)2·3(H2O) |
Composition: |
Molecular Weight = 484.17 gm |
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Calcium 8.28 % Ca 11.58 % CaO |
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Uranium 49.16 % U 55.77 % UO2 |
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Hydrogen 1.25 % H 11.16 % H2O |
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Carbon 4.96 % C 18.18 % CO2 |
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Oxygen 36.35 % O |
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______ ______ |
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100.00 % 96.70 % = TOTAL OXIDE |
Empirical Formula: |
Ca(UO2)(CO3)2·3(H2O) |
Environment: |
Sediment-hosted uranium mine. |
IMA Status: |
Approved IMA 1966 |
Locality: |
Lucky Mc mine, Gas Hills, Wyoming, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for the relationship to zellerite (after Howard D. Zeller (1922-), U.S Geological Survey. |
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Metazellerite Image |
Images:
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Metazellerite Crystallography
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Axial Ratios: |
a:b:c =0.5331:1:0.2724 |
Cell Dimensions: |
a = 9.718, b = 18.226, c = 4.965, Z = 4; V = 879.40 Den(Calc)= 3.66 |
Crystal System: |
OrthorhombicSpace Group: Pbn21,Pbnm |
X Ray Diffraction: |
By Intensity(I/Io): 9.1(1), 3.794(0.5), 4.695(0.36), |
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Physical Properties of Metazellerite
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Cleavage: |
[???] Good |
Color: |
Light yellow. |
Density: |
3.414 |
Hardness: |
2 - Gypsum |
Luster: |
Earthy (Dull) |
Streak: |
yellow white |
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Optical Properties of Metazellerite
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Gladstone-Dale: |
CI meas= -0.172 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.094 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.171,KPDmeas= 0.1834,KC= 0.1564 |
Optical Data: |
Biaxial (?), b=1.626 |
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Calculated Properties of Metazellerite
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Electron Density: |
relectron=3.30 gm/cc note: rMetazellerite =3.66 gm/cc. |
Fermion Index |
Fermion Index = 0.00437 Boson Index = 0.99563 |
Photoelectric: |
PEMetazellerite =1,239.83 barns/electron U=PEMetazellerite x relectron=4,086.31 barns/cc. |
Radioactivity: |
GRapi = 3,773,584.93 (Gamma Ray American Petroleum Institute Units)
Metazellerite 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)
8.06 ± 2.02 grams of pure Metazellerite .
Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 100 cm box)
806.04 ±201.51 grams of pure Metazellerite .
Estimated Radioactivity from Metazellerite - 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 / 8.05 cm |
88,000,445 |
2.38E-03 |
3,773,584.93 |
1,240.63 |
| 100 gm / 3.74 cm |
8,800,045 |
2.38E-04 |
377,358.49 |
124.06 |
| 10 gm / 1.73 cm |
880,004 |
2.38E-05 |
37,735.85 |
12.41 |
| 1 gm / 8.05 mm |
88,000 |
2.38E-06 |
3,773.58 |
1.24 |
| 0.1 gm / 3.74 mm |
8,800 |
2.38E-07 |
377.36 |
0.12 |
| 0.01 gm / 1.73 mm |
880 |
2.38E-08 |
37.74 |
0.01 |
| 0.001 gm / 0.81 mm |
88 |
2.38E-09 |
3.77 |
0.00 |
Weight of pure Metazellerite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.66 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
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Metazellerite Classification
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Dana Class: |
15.3.1.2 (15)Hydrated Carbonates |
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(15.3)where A+m B++n (XO3)p · x(H2O), (m+n):p = 1:1 and containing U, Th, Zr, Y |
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(15.3.1)Dana Group |
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15.3.1.1 Zellerite Ca(UO2)(CO3)2·5(H2O) Pbnm,Pbn21 Ortho |
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15.3.1.2 Metazellerite Ca(UO2)(CO3)2·3(H2O) Pbn21,Pbnm Ortho |
Strunz Class: |
V/F.02-50 V - Nitrates, Carbonates and Borates |
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V/F - Uranylcarbonates ([UO2]2+ - [CO3]2-) |
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V/F.02 - Grimselite - Liebigite series |
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V/F.02-05 Cejkaite! Na4(UO2)(CO3)3 P1 or P1 Tri |
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V/F.02-10 Grimselite K3Na(UO2)(CO3)3·(H2O) P 62c 6 m2 |
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V/F.02-20 Bayleyite Mg2(UO2)(CO3)3·18(H2O) P 21/a 2/m |
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V/F.02-30 Swartzite CaMg(UO2)(CO3)3·12(H2O) P 21/m 2/m |
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V/F.02-40 Andersonite Na2Ca(UO2)(CO3)3·6(H2O) R 3 3 |
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V/F.02-45 Fontanite Ca[(UO2)3(CO3)2O2]·6(H2O) P 21/n 2/m |
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V/F.02-50 Metazellerite Ca(UO2)(CO3)2·3(H2O) Pbn21,Pbnm Ortho |
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V/F.02-60 Zellerite Ca(UO2)(CO3)2·5(H2O) Pbnm,Pbn21 Ortho |
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V/F.02-70 Liebigite Ca2(UO2)(CO3)3·11(H2O) Bba2 mm2 |
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Other Metazellerite Information
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References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Metazellerite :
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 -École des Mines de Paris
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Print or Cut-and-Paste your Metazellerite Specimen Label here :
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Metazellerite
Ca(UO2)(CO3)2·3(H2O)
Dana No: 15.3.1.2 Strunz No: V/F.02-50
Locality:
Notes:
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