Paramontroseite Mineral Data

Paramontroseite Mineral Data
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General Paramontroseite Information

Help on Chemical Formula: Chemical Formula: VO2
Help on Composition: Composition: Molecular Weight = 82.94 gm
   Vanadium  61.42 %  V   100.00 % VO2
   Oxygen    38.58 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V4+O2
Help on Environment: Environment: Relatively unoxidized Colorado Plateau-type U-V ores in sandstones, formed by dehydrogenation of montroseite
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Bitter Creek mine, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for near, for its paramorphic relation to montroseite.
Help on Name Pronunciation: Name Pronunciation: Paramontroseite + Pronunciation Say PARAMONTROSEITE
Help on Synonym: Synonym: ICSD 22303
  PDF 25-1003
 

Paramontroseite Image

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Paramontroseite

Comments: Black massive, radioactive paramontroseite.
Location: J.J. mine, Buell Canyon District, Montrose County, Colorado, USA. Scale: See Image.
© Rruff Database

Paramontroseite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5205:1:0.3094
Help on Cell Dimensions: Cell Dimensions: a = 4.905, b = 9.422, c = 2.916, Z = 4; V = 134.76 Den(Calc)= 4.09
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.39(1), 2.649(0.5), 4.35(0.35),
Click Here for Large Paramontroseite Structure Window Crystal Structure:

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Evans H T , Mrose M E , American Mineralogist , 40 (1955) p.861-875, A crystal chemical study of montroseite and paramontroseite.

 

Physical Properties of Paramontroseite

Help on Cleavage: Cleavage: {010} Good
Help on Color: Color: Black.
Help on Density: Density: 4
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: black
 

Optical Properties of Paramontroseite

Help on Optical Data: Optical Data: NCalc= 2.61 - from Gladstone-Dale relationship (KC = 0.393) where Ncalc=Dcalc*KC+1
NCalc= 2.57 - from Gladstone-Dale relationship (KC = 0.393) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Paramontroseite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.85 gm/cc
note: Specific Gravity of Paramontroseite =4.09 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0017206735
Boson Index = 0.9982793265
Help on Photoelectric: Photoelectric: PEParamontroseite = 11.95 barns/electron
U=PEParamontroseite x rElectron Density= 45.98 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paramontroseite is Not Radioactive
 

Paramontroseite Classification
Help on Dana Class: Dana Class: 04.04.11.01 (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.11)Dana Group
 
04.04.11.01 Paramontroseite VO2 Pbnm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.DB.15a 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
 
04.DB.15a Paramontroseite VO2 Pbnm 2/m 2/m 2/m
 
04.DB.15a Ramsdellite MnO2 Pbnm 2/m 2/m 2/m
 

Other Paramontroseite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Paramontroseite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Paramontroseite

VO2
Dana No: 04.04.11.01 Strunz No: 04.DB.15a
Locality:

 

Notes: