Vandendriesscheite Mineral Data

Vandendriesscheite Mineral Data
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General Vandendriesscheite Information

Help on Chemical Formula: Chemical Formula: Pb(UO2)10O6(OH)11•11(H2O)
Help on Composition: Composition: Molecular Weight = 3,513.04 gm
   Uranium   67.76 %  U    76.86 % UO2
   Hydrogen   0.95 %  H     8.46 % H2O
   Lead       9.44 %  Pb   10.17 % PbO
   Oxygen    21.86 %  O
            ______        ______ 
            100.00 %       95.49 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: •11(H2O)Pb1.6(UO2)10O6(OH)11
Help on Environment: Environment: Orange-red oxidic zone of alteration "gummite" zone of uraninite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1947
Help on Locality: Locality: Shinkolobwe, Shaba, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Adrien Vandendriessche (1914-1940), Belgian mineralogist and geologist.
Help on Name Pronunciation: Name Pronunciation: Vandendriesscheite + Pronunciation Say VANDENDRIESSCHEITE
Help on Synonym: Synonym: ICSD 77514
  PDF 13-117
 

Vandendriesscheite Image

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Vandendriesscheite

Comments: Sparse waxy yellow vandendriesscheite on rock.
Location: Uluguru Mountains, Morogoro, Tanzania. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Vandendriesscheite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.3411:1:0.3512
Help on Cell Dimensions: Cell Dimensions: a = 14.1165, b = 41.378, c = 14.5347, Z = 8; V = 8,489.90 Den(Calc)= 5.50
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.61(1), 7.25(1), 3.17(0.75),
Click Here for Large Vandendriesscheite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Burns P C , American Mineralogist , 82 (1997) p.1176-1186, A new uranyl oxide hydrate sheet in vandendriesscheite: Implications for mineral, paragenesis and the corrosion of spent nuclear fuel

 

Physical Properties of Vandendriesscheite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Brownish yellow, Yellow orange.
Help on Density: Density: 5.45
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
 

Optical Properties of Vandendriesscheite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.278 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.267 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1509,KPDmeas= 0.1523,KC= 0.1192
Ncalc = 1.65 - 1.66
Help on Optical Data: Optical Data: Biaxial (-), a=1.78, b=1.85, g=1.86, bire=0.0800, 2V(Calc)=40, 2V(Meas)=60.
 

Calculated Properties of Vandendriesscheite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Vandendriesscheite =5.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEVandendriesscheite =2,012.41 barns/electron
U=PEVandendriesscheite x relectron=9,251.49 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,827,384.62 (Gamma Ray American Petroleum Institute Units)
Concentration of Vandendriesscheite per GRapi unit = 207.15 (PPB)

Vandendriesscheite 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) 6.30 ± 1.58 grams of pure Vandendriesscheite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 630.09 ±157.52 grams of pure Vandendriesscheite .

Estimated Radioactivity from Vandendriesscheite - very strong
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Becquerels
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.03 cm 121,282,838 3.28E-03 4,827,384.62 1,587.09
100 gm / 3.26 cm 12,128,284 3.28E-04 482,738.46 158.71
10 gm / 1.51 cm 1,212,828 3.28E-05 48,273.85 15.87
1 gm / 7.03 mm 121,283 3.28E-06 4,827.38 1.59
0.1 gm / 3.26 mm 12,128 3.28E-07 482.74 0.16
0.01 gm / 1.51 mm 1,213 3.28E-08 48.27 0.02
0.001 gm / 0.70 mm 121 3.28E-09 4.83 0.00

Weight of pure Vandendriesscheite in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.50 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
 

Vandendriesscheite Classification
Help on Dana Class: Dana Class: 05.08.01.01 (05)Oxides Containing Uranium and Thorium
  (05.08)with a cation charge of 6+ containing Pb and sigificant water of hydration
  (05.08.01)Dana Group
 
05.08.01.01 Vandendriesscheite Pb(UO2)10O6(OH)11•11(H2O) P bca 2/m 2/m 2/m
 
05.08.01.02 Metavandendriesscheite PbU7O22•n(H2O)(n<12) Pmma,Pm2a Ortho
Help on Strunz Class: Strunz Class: 04.GB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.G - Uranyl Hydroxides
  04.GB -With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
 
04.GB.40 Metavandendriesscheite PbU7O22•n(H2O)(n<12) Pmma,Pm2a Ortho
 
04.GB.40 Vandendriesscheite Pb(UO2)10O6(OH)11•11(H2O) P bca 2/m 2/m 2/m
 

Other Vandendriesscheite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(MINCRYST) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Vandendriesscheite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - Uranium Minerals
14 - WWW-MINCRYST

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

Vandendriesscheite

Pb(UO2)10O6(OH)11•11(H2O)
Dana No: 05.08.01.01 Strunz No: 04.GB.40
Locality:

 

Notes: