Renardite Mineral Data (original) (raw)
General Renardite Information
Chemical Formula:
Pb(UO2)4(PO4)2(OH)4•7(H2O)
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
Empirical Formula:
Pb(UO2)4(PO4)2(OH)4•7(H2O)
IMA Status:
Valid Species (Pre-IMA) 1928
Locality:
Kaslo mine, Shinkolobwe, Shaba, Katanga, Zaire. Link to MinDat.org Location Data.
Name Origin:
Named for Alphonse Francois Renard (1842-1903), mineralogist, University of Ghent, Belgium.
Name Pronunciation:
Renardite + Pronunciation 
Renardite Image
Images:
Renardite Crystallography
Axial Ratios:
a:b:c =0.9211:1:0.7981
Cell Dimensions:
a = 15.88, b = 17.24, c = 13.76, Z = 6; V = 3,767.09 Den(Calc)= 4.42
Crystal System:
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bmmb
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
Cleavage:
{100} Perfect
Color:
Yellow.
Density:
4.34
Diaphaneity:
Transparent
Habit:
Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Optical Properties of Renardite
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
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
Electron Density:
Bulk Density (Electron Density)=3.78 gm/cc
note: Specific Gravity of Renardite =4.42 gm/cc.
Fermion Index:
Fermion Index = 0.03
Boson Index = 0.97
Photoelectric:
PERenardite =1,735.65 barns/electron
U=PERenardite x relectron=6,554.45 barns/cc.
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
| SpecimenSizeWeight/Volume(Sphere) * | CalculatedActivityBecquerels(Bq) | CalculatedActivityCuries (Ci) | EstimatedActivityGR(api) | EstimatedExposure(mRem**)/hrIf Held in HandFor 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
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
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
References:
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
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: