Mineralogy Database

Minasragrite Mineral Data

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General Minasragrite Information

Help on Chemical  Formula: Chemical Formula: VO(SO4)•5(H2O)
Help on Composition: Composition: Molecular Weight = 253.08 gm
   Vanadium  20.13 %  V    32.77 % VO2
   Hydrogen   3.98 %  H    35.59 % H2O
   Sulfur    12.67 %  S    31.64 % SO3
   Oxygen    63.22 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V4+O(SO4)•5(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1915
Help on Locality: Locality: Mina Ragra (Minasragra), Junin, Cerro de Pasco, Peru. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Minasragrite + Pronunciation Say MINASRAGRITE
Help on Synonym: Synonym: ICSD 8103
  PDF 26-1393

Minasragrite Image

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  Minasragrite   Patronite

Comments: Blue coatings of minasragrite on patronite.
Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Minasragrite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3281:1:0.7186
Help on Cell Dimensions: Cell Dimensions: a = 12.947, b = 9.748, c = 7.005, Z = 4; beta = 110.93° V = 825.75 Den(Calc)= 2.04
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.135(1), 3.907(0.7), 5.431(0.6),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 0 1 1) ( 1 1 0) ( 1 0 1) ( 0 0 1)

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Physical Properties of Minasragrite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue.
Help on Density: Density: 2.03
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue

Optical Properties of Minasragrite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.144 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.148 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2605,KPDmeas= 0.2617,KC= 0.3058
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (-), a=1.513, b=1.536, g=1.545, bire=0.0320

Calculated Properties of Minasragrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.07 gm/cc
note: Specific Gravity of Minasragrite =2.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0017629058
Boson Index = 0.9982370942
Help on Photoelectric: Photoelectric: PEMinasragrite = 4.51 barns/electron
U=PEMinasragrite x rElectron Density= 9.32 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Minasragrite is Not Radioactive

Minasragrite 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 Minasragrite Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Minasragrite :
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

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Dana No: Strunz No: 07.DB.20





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