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Cleusonite Mineral Data

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General Cleusonite Information

Help on Chemical  Formula: Chemical Formula: Pb(U++++,U++++++)(Ti,Fe++,Fe+++)20(O,OH)38
Help on Composition: Composition: Molecular Weight = 2,080.74 gm
   Strontium   0.51 %  Sr    0.60 % SrO
   Uranium    12.47 %  U    10.25 % UO2 /  4.12 % UO3
   Titanium   27.15 %  Ti   45.30 % TiO2
   Manganese   0.21 %  Mn    0.27 % MnO
   Aluminum    0.09 %  Al    0.17 % Al2O3
   Vanadium    0.47 %  V     0.83 % V2O5
   Zinc        0.28 %  Zn    0.35 % ZnO
   Iron       20.61 %  Fe   18.47 % FeO /  8.94 % Fe2O3
   Hydrogen    0.13 %  H     1.14 % H2O
   Lead        8.86 %  Pb    9.55 % PbO
   Oxygen     29.22 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.89Sr0.12U0.79U0.3Fe2+1.91Zn0.09Ti11.8Fe2+3.44Fe3+2.33V5+0.19Mn2+0.08 Al0.07O35.37(OH)2.63
Help on Environment: Environment: Oligocene-Miocene alpine cleft veins. (crichtonite group).
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Barrage de Cleuson, Val de Nendaz, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA1998-070
 

Cleusonite Image

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  Cleusonite

Comments: Black submetallic ceusonite crystals in matrix.
Location: Kaisererbruch, Rauris, Salzburg, Austria. Scale: Specimen Size 3x4.5 cm.
© Diederik Visser

Cleusonite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.01626
Help on Cell Dimensions: Cell Dimensions: a = 10.576, c = 21.324, Z = 3; V = 2,065.58 Den(Calc)= 5.02
Help on Crystal System: Crystal System: Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.82(1)(303 ), 2.45(0.38)(312 ), 1.485(0.33)(342 ),2.137(0.21)(226 ), 3.31(0.19)(122 ), 2.957(0.16)(116 ), 2.081(0.15)(10.1.0 ),
 

Physical Properties of Cleusonite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Density: Density: 4.74
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 6-7 - Orthoclase-Quartz
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: black
 

Optical Properties of Cleusonite

Help on Optical Data: Optical Data: NCalc= 2.39 - from Gladstone-Dale relationship (KC = 0.2777) where Ncalc=Dcalc*KC+1
NCalc= 2.32 - from Gladstone-Dale relationship (KC = 0.2777) where Ncalc=Dmeas*KC+1
Help on RL Color: RL Color: Light gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cleusonite in Air
λ R  ∑ R(λ) 
 460 nm   18.40   
 540 nm   17.50 
 580 nm   17.40 
 640 nm   17.40 
Calculated Relative Intensity Colors of Cleusonite in Air
Relative
Intensity
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 510%
R                      
 

Calculated Properties of Cleusonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Cleusonite =5.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PECleusonite = 469.14 barns/electron
U=PECleusonite x relectron=2,158.92 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 974,319.01 (Gamma Ray American Petroleum Institute Units)
Concentration of Cleusonite per GRapi unit =1,026.36 (PPB)

Cleusonite 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) 31.22 ± 7.80 grams of pure Cleusonite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 3121.8 ±780.46 grams of pure Cleusonite .

Estimated Radioactivity from Cleusonite - 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 / 7.25 cm 22,319,871 6.03E-04 974,319.01 320.32
100 gm / 3.36 cm 2,231,987 6.03E-05 97,431.90 32.03
10 gm / 1.56 cm 223,199 6.03E-06 9,743.19 3.20
1 gm / 7.25 mm 22,320 6.03E-07 974.32 0.32
0.1 gm / 3.36 mm 2,232 6.03E-08 97.43 0.03
0.01 gm / 1.56 mm 223 6.03E-09 9.74 0.00
0.001 gm / 0.72 mm 22 6.03E-10 0.97 0.00

Weight of pure Cleusonite in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.02 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
 

Cleusonite Classification

Help on  Dana Class: Dana Class: 08.05.01.10 (08)Multiple Oxides with Nb, Ta, and Ti
  (08.05)Dana Type
  (08.05.01)Crichtonite group (ABC18 T2 O38)
 
08.05.01.01 Landauite NaMnZn2(Ti,Fe)6Ti12O38 R 3 3
 
08.05.01.02 Loveringite (Ca,Ce)(Ti,Fe,Cr,Mg)21O38 R 3 3
 
08.05.01.03 Crichtonite (Sr,La,Ce,Y)(Ti,Fe,Mn)21O38 R 3 3
 
08.05.01.04 Senaite Pb(Ti,Fe,Mn)21O38 R 3 3
 
08.05.01.05 Davidite-(La) (La,Ce,Ca)(Y,U)(Ti,Fe)20O38 R 3 3
 
08.05.01.06 Davidite-(Ce) (Ce,La)(Y,U)(Ti,Fe)20O38 R 3 3
 
08.05.01.07 Mathiasite (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 R 3 3
 
08.05.01.08 Lindsleyite (Ba,Sr)(Ti,Cr,Fe,Mg)21O38 R 3 3
 
08.05.01.09 Dessauite! (Sr,Pb)(Y,U)(Ti,Fe)20O38 P 3 3
 
08.05.01.10 Cleusonite! Pb(U,U)(Ti,Fe,Fe)20(O,OH)38 R 3 3
 
08.05.01.11 Gramaccioliite-(Y)! (Pb,Sr)(Y,Mn)Fe2(Ti,Fe)18O38 R 3 3
Help on  Strunz Class: Strunz Class: 04.CC.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CC -With large and medium-sized cations
 
04.CC.40 Crichtonite (Sr,La,Ce,Y)(Ti,Fe,Mn)21O38 R 3 3
 
04.CC.40 Dessauite! (Sr,Pb)(Y,U)(Ti,Fe)20O38 P 3 3
 
04.CC.40 Davidite-(Ce) (Ce,La)(Y,U)(Ti,Fe)20O38 R 3 3
 
04.CC.40 Davidite-(La) (La,Ce,Ca)(Y,U)(Ti,Fe)20O38 R 3 3
 
04.CC.40 Mathiasite (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 R 3 3
 
04.CC.40 Lindsleyite (Ba,Sr)(Ti,Cr,Fe,Mg)21O38 R 3 3
 
04.CC.40 Landauite NaMnZn2(Ti,Fe)6Ti12O38 R 3 3
 
04.CC.40 Loveringite (Ca,Ce)(Ti,Fe,Cr,Mg)21O38 R 3 3
 
04.CC.40 Senaite Pb(Ti,Fe,Mn)21O38 R 3 3
 
04.CC.40 Cleusonite! Pb(U,U)(Ti,Fe,Fe)20(O,OH)38 R 3 3
 
04.CC.40 Gramaccioliite-(Y)! (Pb,Sr)(Y,Mn)Fe2(Ti,Fe)18O38 R 3 3
 

Other Cleusonite Information

Help on References: References: NAME( AmMin, v91, p1202) PHYS. PROP.(AmMin, v91, p1202) OPTIC PROP.(AmMin, v91, p1202)
Help on See Also: See Also: Links to other databases for Cleusonite :
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 Cleusonite Specimen Label here :

Cleusonite

Pb(U++++,U++++++)(Ti,Fe++,Fe+++)20(O,OH)38
Dana No: 08.05.01.10 Strunz No: 04.CC.40
Locality:

 

Notes:

 

 
   
 


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