Bobjonesite Mineral Data

Bobjonesite Mineral Data
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General Bobjonesite Information

Help on Chemical Formula: Chemical Formula: VO(SO4)(H2O)3
Help on Composition: Composition: Molecular Weight = 217.05 gm
   Vanadium  23.47 %  V    41.90 % V2O5
   Hydrogen   2.79 %  H    24.90 % H2O
   Sulfur    14.77 %  S    36.89 % SO3
   Oxygen    58.97 %  O
            ______        ______ 
            100.00 %      103.69 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V5+O(SO4)(H2O)3
Help on Environment: Environment: Silicified log in the Triassic Chinle Formation (Shinarump Conglomerate Member). Unstable in all but the driest atmosphere.
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Temple Mountain, Emery County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Bob Jones (1926-), of Cave Creek, Arizona, USA.
Help on Synonym: Synonym: IMA2000-045
 

Bobjonesite Image

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Bobjonesite

Comments: The silicified log and its coalified margin that hosts bobjonesite and other sulfate minerals. (CanMin, 41:85).
Location: Temple Mountain, Emery County, Utah, USA. Scale: Bob Jones is shown for scale.
© Canadian Mineralogist

Bobjonesite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9976:1:1.6272
Help on Cell Dimensions: Cell Dimensions: a = 7.394, b = 7.4111, c = 12.0597, Z = 4; beta = 106.55° V = 633.47 Den(Calc)= 2.28
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.795(1)(002), 3.498(0.9)(112), 3.881(0.48)(103),5.408(0.37)(101), 4.571(0.2)(012), 6.255(0.11)(011), 6.962(0.11)(101), 3.423(0.1)(013),
Click Here for Large Bobjonesite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Schindler M , Hawthorne F C , Huminicki D M C , Haynes P , Grice J D , Evans H T , The Canadian Mineralogist , 41 (2003) p.83-90, Bobjonesite, VO(SO4)(H2O)3, a new mineral species from Temple Mountain,, Emery County, Utah, U.S.A., Locality: Temple Mountain, Emery County, Utah, USA

 

Physical Properties of Bobjonesite

Help on Cleavage: Cleavage: None
Help on Color: Color: Pale blue, Bright blue.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Water Soluble - Water soluble mineral.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Bobjonesite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.155 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2471,KC= 0.2924
Ncalc = 1.67
Help on Optical Data: Optical Data: Biaxial (+), a=1.555, b=1.561, g=1.574, bire=0.0190
 

Calculated Properties of Bobjonesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.29 gm/cc
note: Specific Gravity of Bobjonesite =2.28 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0019819992
Boson Index = 0.9980180008
Help on Photoelectric: Photoelectric: PEBobjonesite = 5.27 barns/electron
U=PEBobjonesite x rElectron Density= 12.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bobjonesite is Not Radioactive
 

Bobjonesite Classification
Help on Dana Class: Dana Class: 29.06.12.02 (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 · x(H2O)
  (29.06.12)Minasragrite Group (Monclinic and Triclinic)
 
29.06.12.01 Minasragrite VO(SO4)•5(H2O) P 21/a 2/m
 
29.06.12.02 Bobjonesite! VO(SO4)(H2O)3 P 21/m 2/m
 
29.06.12.03 Anorthominasragrite! VO(SO4)(H2O)5 P1 1
Help on Strunz Class: Strunz Class: 07.DB.25 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DB -With only medium-sized cations; insular octahedra and finite groups
 
07.DB.25 Bobjonesite! VO(SO4)(H2O)3 P 21/m 2/m
 

Other Bobjonesite Information
Help on References: References: NAME( CanMin, v 41, p 83) PHYS. PROP.(CanMin, v 41, p 83) OPTIC PROP.(CanMin, v 41, p 83)
Help on See Also: See Also: Links to other databases for Bobjonesite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Bobjonesite

VO(SO4)(H2O)3
Dana No: 29.06.12.02 Strunz No: 07.DB.25
Locality:

 

Notes: