Mineralogy Database

Anorthominasragrite Mineral Data

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General Anorthominasragrite Information

Help on Chemical  Formula: Chemical Formula: V++++O(SO4)(H2O)5
Help on Composition: Composition: Molecular Weight = 254.48 gm
   Vanadium  20.82 %  V    33.90 % VO2
   Hydrogen   3.96 %  H    35.40 % H2O
   Sulfur    12.35 %  S    27.75 % S2O5
   Oxygen    62.87 %  O
            ______        ______ 
            100.00 %       97.05 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V4+1.04S0.98O5(H2O)5
Help on Environment: Environment: Found in a silicified tree fossil.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Shinarump conglomerate member of the late Triassic Chinle Formation,Temple Mountain, Emery County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for as the triclinic polymorph of minasragrite.
Help on Synonym: Synonym: IMA2001-040

Anorthominasragrite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.967:1:1.002
Help on Cell Dimensions: Cell Dimensions: a = 7.548, b = 7.805, c = 7.821, Z = 2; alpha = 79.03°, beta = 71.94°, gamma = 65.31° V = 390.73 Den(Calc)= 2.16
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.617(1)(100), 3.712(0.8)(121,002,211), 4.116(0.8)(110),7.053(0.8)(010), 3.206(0.7)(221), 2.934(0.5)(112,102), 5.314(0.3)(011),

Physical Properties of Anorthominasragrite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue green.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Anorthominasragrite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2624,KC= 0.2536
Ncalc = 1.54
Help on Optical Data: Optical Data: Biaxial (+), a=1.548, b=1.555, g=1.574, bire=0.0260

Calculated Properties of Anorthominasragrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.17 gm/cc
note: Specific Gravity of Anorthominasragrite =2.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0017543495
Boson Index = 0.9982456505
Help on Photoelectric: Photoelectric: PEAnorthominasragrite = 4.61 barns/electron
U=PEAnorthominasragrite x rElectron Density= 10.01 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Anorthominasragrite is Not Radioactive

Anorthominasragrite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.12)Minasragrite Group (Monclinic and Triclinic) Minasragrite VO(SO4)•5(H2O) P 21/a 2/m Bobjonesite! VO(SO4)(H2O)3 P 21/m 2/m Anorthominasragrite! VO(SO4)(H2O)5 P1 1
Help on  Strunz Class: Strunz Class: 07.DB.20 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.20 Minasragrite VO(SO4)•5(H2O) P 21/a 2/m
07.DB.20 Orthominasragrite! VO(SO4)•5(H2O) P mn21 mm2
07.DB.20 Anorthominasragrite! VO(SO4)(H2O)5 P1 1

Other Anorthominasragrite Information

Help on References: References: NAME( CanMin, v 41, p 959) PHYS. PROP.(CanMin, v 41, p 959) OPTIC PROP.(CanMin, v 41, p 959)
Help on See Also: See Also: Links to other databases for Anorthominasragrite :
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

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Dana No: Strunz No: 07.DB.20





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