Mineralogy Database

Curienite Mineral Data

Search Webmineral :
  
Advertisment

General Curienite Information

Help on Chemical  Formula: Chemical Formula: Pb(UO2)2V2O8•5(H2O)
Help on Composition: Composition: Molecular Weight = 1,067.21 gm
   Uranium   44.61 %  U    50.60 % UO2
   Vanadium   9.55 %  V    17.04 % V2O5
   Hydrogen   0.94 %  H     8.44 % H2O
   Lead      19.42 %  Pb   20.91 % PbO
   Oxygen    25.49 %  O
            ______        ______ 
            100.00 %       97.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb(UO2)2V5+2O8•5(H2O)
Help on Environment: Environment: Oxidized zone of a Pb-bearing U�V deposit.
Help on IMA Status: IMA Status: Approved IMA 1968
Help on Locality: Locality: Mounana uranium mine, Franceville, Gabon. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Hubert Curien (1924- ), French mineralogist and crystallographer, Laboratory of Mineralogy and Crystallography, University of Pierre and Marie Curie (Sorbonne), Paris, Fra nce.
Help on Name Pronunciation: Name Pronunciation: Curienite + Pronunciation Say CURIENITE
Help on Synonym: Synonym: ICSD 23515
  PDF 22-402
 

Curienite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Curienite   Francevillite

Comments: Intense yellow curienite and orange francevillite.
Location: Mouonana, Haut-Ogoue, Gabon. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Curienite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2307:1:1.9337
Help on Cell Dimensions: Cell Dimensions: a = 10.4, b = 8.45, c = 16.34, Z = 4; V = 1,435.96 Den(Calc)= 4.94
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pcan
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.005(1), 8.19(1), 4.1(0.8),
 

Physical Properties of Curienite

Help on Color: Color: Canary yellow.
Help on Density: Density: 4.88
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine - Pearly
Help on Streak: Streak: light yellow
 

Optical Properties of Curienite

Help on Optical Data: Optical Data: NCalc= 1.82 - from Gladstone-Dale relationship (KC = 0.1651) where Ncalc=Dcalc*KC+1
NCalc= 1.81 - from Gladstone-Dale relationship (KC = 0.1651) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Curienite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.24 gm/cc
note: Specific Gravity of Curienite =4.94 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PECurienite =1,528.41 barns/electron
U=PECurienite x relectron=6,480.55 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,263,541.37 (Gamma Ray American Petroleum Institute Units)
Concentration of Curienite per GRapi unit = 306.42 (PPB)

Curienite 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) 9.32 ± 2.33 grams of pure Curienite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 932.01 ±233.00 grams of pure Curienite .

Estimated Radioactivity from Curienite - 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 / 7.28 cm 79,847,777 2.16E-03 3,263,541.37 1,072.95
100 gm / 3.38 cm 7,984,778 2.16E-04 326,354.14 107.29
10 gm / 1.57 cm 798,478 2.16E-05 32,635.41 10.73
1 gm / 7.28 mm 79,848 2.16E-06 3,263.54 1.07
0.1 gm / 3.38 mm 7,985 2.16E-07 326.35 0.11
0.01 gm / 1.57 mm 798 2.16E-08 32.64 0.01
0.001 gm / 0.73 mm 80 2.16E-09 3.26 0.00

Weight of pure Curienite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.94 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
 

Curienite Classification

Help on  Dana Class: Dana Class: 40.02a.27.02 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.27)Dana Group
 
40.02a.27.01 Francevillite (Ba,Pb)(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
 
40.02a.27.02 Curienite Pb(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.HB.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HB -Uranyl Sorovanadates
 
04.HB.15 Curienite Pb(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
 
04.HB.15 Francevillite (Ba,Pb)(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
 
04.HB.15 Fritzscheite Mn(UO2)2[(V,P)O4]2•4(H2O) Pnam 2/m 2/m 2/m
 

Other Curienite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Curienite :
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
16 - WWW-MINCRYST

Search for Curienite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Curienite :

Ask about Curienite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaol

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

Curienite

Pb(UO2)2V2O8•5(H2O)
Dana No: 40.02a.27.02 Strunz No: 04.HB.15
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.