Mineralogy Database

Metarossite Mineral Data

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General Metarossite Information

Help on Chemical  Formula: Chemical Formula: CaV2O6•2(H2O)
Help on Composition: Composition: Molecular Weight = 273.99 gm
   Calcium   14.63 %  Ca   20.47 % CaO
   Vanadium  37.19 %  V    66.38 % V2O5
   Hydrogen   1.47 %  H    13.15 % H2O
   Oxygen    46.72 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaV5+2O6•2(H2O)
Help on Environment: Environment: Coatins on sandstone.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1927
Help on Locality: Locality: Bull Pen Canyon, San Miguel County, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the dehydration product of rossite.
Help on Name Pronunciation: Name Pronunciation: Metarossite + Pronunciation Say METAROSSITE
Help on Synonym: Synonym: ICSD 40085
  PDF 29-392

Metarossite Image

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Comments: Light yellow metarossite on sandstone.
Location: Burro Mine, Slick Rock District, San Miguel Co., Colorado. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

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Comments: Bright yellow platy crystals to about 0.5mm covering sandstone matrix.
Location: Arrowhead Claim, San Miguel Co., Colorado, USA. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Metarossite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8796:1:1.0996
Help on Cell Dimensions: Cell Dimensions: a = 6.215, b = 7.065, c = 7.769, Z = 2; alpha = 92.92°, beta = 96.65°, gamma = 105.78° V = 325.64 Den(Calc)= 2.79
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): 5.926(1), 6.773(0.63), 5.034(0.58),

Physical Properties of Metarossite

Help on Color: Color: Yellow.
Help on Density: Density: 2.45
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Pearly

Optical Properties of Metarossite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.103 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3024,KPDmeas= 0.3456,KC= 0.3134
Ncalc = 1.77 - 1.88
Help on Optical Data: Optical Data: Biaxial (+), a=1.84, b=1.85, g=1.85, bire=0.0100, 2V(Calc)=0, 2V(Meas)=70. Dispersion relatively strong.

Calculated Properties of Metarossite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.74 gm/cc
note: Specific Gravity of Metarossite =2.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013535458
Boson Index = 0.9986464542
Help on Photoelectric: Photoelectric: PEMetarossite = 8.87 barns/electron
U=PEMetarossite x rElectron Density= 24.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metarossite is Not Radioactive

Metarossite Classification

Help on  Dana Class: Dana Class: (47)Vanadium Oxysalts
  (47.01)(Normal VO3)
  (47.01.01)Rossite Group Rossite CaV2O6•4(H2O) P1 1 Metarossite CaV2O6•2(H2O) P1 1 Ansermetite! MnV2O6•4(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.HD.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HD -Inovanadates
04.HD.10 Metarossite CaV2O6•2(H2O) P1 1

Other Metarossite Information

Help on References: References: NAME( Dana8) 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 Metarossite :
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: 04.HD.10





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