Mineralogy Database

Rutherfordine Mineral Data

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General Rutherfordine Information

Help on Chemical  Formula: Chemical Formula: UO2(CO3)
Help on Composition: Composition: Molecular Weight = 330.04 gm
   Uranium  72.12 %  U    81.82 % UO2
   Carbon    3.64 %  C    13.33 % CO2
   Oxygen   24.24 %  O
           ______        ______ 
           100.00 %       95.15 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (UO2)(CO3)
Help on Environment: Environment: Secondary alteration product from uraninite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1906
Help on Locality: Locality: Uraguru Mountains, Tanganyika Territory, East Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ernest Rutherford (1871-1937) British atomic physicist and Nobel laureate.
Help on Name Pronunciation: Name Pronunciation: Rutherfordine + Pronunciation Say RUTHERFORDINE
Help on Synonym: Synonym: ICSD 27053
  PDF 11-263

Rutherfordine Image

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Comments: Yellow, bladed crystals of rutherfordine.
Location: Shinkolobwe Mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Wyartite   Rutherfordine

Comments: Brown, acicular wyartite crystals next to bright yellow rutherfordine tufts.
Location: Shinokolbwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rutherfordine Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5263:1:0.4667
Help on Cell Dimensions: Cell Dimensions: a = 4.845, b = 9.205, c = 4.296, Z = 2; V = 191.59 Den(Calc)= 5.72
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.6(1), 3.21(0.9), 4.29(0.8),

Physical Properties of Rutherfordine

Help on Cleavage: Cleavage: {010} Perfect, {001} Distinct
Help on Color: Color: Brownish, Brownish yellow, White, Light brown orange, Light yellow.
Help on Density: Density: 5.7
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Luminescence: Luminescence: Fluorescent, Short UV=weak yellow green, Long UV=weak yellow green.
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: yellow

Optical Properties of Rutherfordine

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.175 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.171 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1288,KPDmeas= 0.1292,KC= 0.11
Ncalc = 1.63
Help on Optical Data: Optical Data: Biaxial (+), a=1.7-1.723, b=1.716-1.73, g=1.755-1.795, bire=0.0550-0.0720

Calculated Properties of Rutherfordine

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.78 gm/cc
note: Specific Gravity of Rutherfordine =5.72 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0057094453
Boson Index = 0.9942905547
Help on Photoelectric: Photoelectric: PERutherfordine =1,956.66 barns/electron
U=PERutherfordine x relectron=9,359.61 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 5,140,998.87 (Gamma Ray American Petroleum Institute Units)
Concentration of Rutherfordine per GRapi unit = 194.51 (PPB)

Rutherfordine 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) 5.92 ± 1.48 grams of pure Rutherfordine .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 591.65 ±147.91 grams of pure Rutherfordine .

Estimated Radioactivity from Rutherfordine - very strong
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 6.94 cm 129,098,210 3.49E-03 5,140,998.87 1,690.19
100 gm / 3.22 cm 12,909,821 3.49E-04 514,099.89 169.02
10 gm / 1.49 cm 1,290,982 3.49E-05 51,409.99 16.90
1 gm / 6.94 mm 129,098 3.49E-06 5,141.00 1.69
0.1 gm / 3.22 mm 12,910 3.49E-07 514.10 0.17
0.01 gm / 1.49 mm 1,291 3.49E-08 51.41 0.02
0.001 gm / 0.69 mm 129 3.49E-09 5.14 0.00

Weight of pure Rutherfordine in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.72 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

Rutherfordine Classification

Help on  Dana Class: Dana Class: (14)Anhydrous Carbonates
  (14.01)with Simple Formula A+ CO3
  (14.01.04)Dana Group Rutherfordine UO2(CO3) P mmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 05.EB.05 05 - CARBONATES (NITRATES)
  05.E - Uranyl Carbonates
  05.EB -UO2:CO3 = 1:1
05.EB.05 Rutherfordine UO2(CO3) P mmm 2/m 2/m 2/m

Other Rutherfordine Information

Help on References: References: NAME( Ford32) 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 Rutherfordine :
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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Dana No: Strunz No: 05.EB.05





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