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Renardite Mineral Data

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General Renardite Information

Help on Chemical  Formula: Chemical Formula: Pb(UO2)4(PO4)2(OH)4•7(H2O)
Help on Composition: Composition: Molecular Weight = 1,671.39 gm
   Uranium     56.97 %  U    64.62 % UO2
   Phosphorus   3.71 %  P     8.49 % P2O5
   Hydrogen     1.09 %  H     9.70 % H2O
   Lead        12.40 %  Pb   13.35 % PbO
   Oxygen      25.85 %  O
              ______        ______ 
              100.00 %       96.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb(UO2)4(PO4)2(OH)4•7(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1928
Help on Locality: Locality: Kaslo mine, Shinkolobwe, Shaba, Katanga, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alphonse Francois Renard (1842-1903), mineralogist, University of Ghent, Belgium.
Help on Name Pronunciation: Name Pronunciation: Renardite + Pronunciation Say RENARDITE
 

Renardite Image

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  Renardite

Comments: Bright yellow, tabular crystals of renardite on matrix.
Location: Grury, Saone-et-Loire, France. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Renardite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9211:1:0.7981
Help on Cell Dimensions: Cell Dimensions: a = 15.88, b = 17.24, c = 13.76, Z = 6; V = 3,767.09 Den(Calc)= 4.42
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): 7.95(1), 3.11(0.9), 2.88(0.8),3.96(0.7), 4.43(0.6), 5.83(0.6), 10.25(0.5), 3.4(0.4),
 

Physical Properties of Renardite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Yellow.
Help on Density: Density: 4.34
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
 

Optical Properties of Renardite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.285 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.262 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1652,KPDmeas= 0.1682,KC= 0.1309
Ncalc = 1.57 - 1.58
Help on Optical Data: Optical Data: Biaxial (-), a=1.715, b=1.736, g=1.739, bire=0.0240, 2V(Calc)=40, 2V(Meas)=41. Dispersion r > v.
 

Calculated Properties of Renardite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.78 gm/cc
note: Specific Gravity of Renardite =4.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PERenardite =1,735.65 barns/electron
U=PERenardite x relectron=6,554.45 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,148,547.89 (Gamma Ray American Petroleum Institute Units)
Concentration of Renardite per GRapi unit = 241.05 (PPB)

Renardite 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) 7.33 ± 1.83 grams of pure Renardite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 733.19 ±183.30 grams of pure Renardite .

Estimated Radioactivity from Renardite - 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 / 7.56 cm 101,968,247 2.76E-03 4,148,547.89 1,363.91
100 gm / 3.51 cm 10,196,825 2.76E-04 414,854.79 136.39
10 gm / 1.63 cm 1,019,682 2.76E-05 41,485.48 13.64
1 gm / 7.56 mm 101,968 2.76E-06 4,148.55 1.36
0.1 gm / 3.51 mm 10,197 2.76E-07 414.85 0.14
0.01 gm / 1.63 mm 1,020 2.76E-08 41.49 0.01
0.001 gm / 0.76 mm 102 2.76E-09 4.15 0.00

Weight of pure Renardite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.42 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
 

Renardite Classification

Help on  Dana Class: Dana Class: 42.04.09.02 (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 Renardite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Renardite :
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
11 - Uranium Minerals

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

Renardite

Pb(UO2)4(PO4)2(OH)4•7(H2O)
Dana No: 42.04.09.02 Strunz No: 08.EC.10
Locality:

 

Notes:

 

 
   
 


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