Metamunirite Mineral Data

Metamunirite Mineral Data
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General Metamunirite Information

Help on Chemical Formula: Chemical Formula: Na2[V+++++2O6] or NaVO3
Help on Composition: Composition: Molecular Weight = 243.86 gm
   Sodium    18.85 %  Na   25.42 % Na2O
   Vanadium  41.78 %  V    74.58 % V2O5
   Oxygen    39.37 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2V5+2O6
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Burro mine, near Slick Rock, San Miguel County, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its relationship to munirite.
Help on Name Pronunciation: Name Pronunciation: Metamunirite + Pronunciation Say METAMUNIRITE
Help on Synonym: Synonym: ICSD 29450
  IMA1990-044
  PDF 32-1198
 

Metamunirite Image

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Metamunirite

Comments: Colorless, acicular crystals of metamunirite.
Location: Burro Mine, Slick Rock District, San Miguel Co., Colorado, USA. Scale: Picture size 1.6 mm.
© Thomas Witzke / Abraxas-Verlag

Metamunirite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =3.8744:1:1.4684
Help on Cell Dimensions: Cell Dimensions: a = 14.134, b = 3.648, c = 5.357, Z = 4; V = 276.21 Den(Calc)= 5.86
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.01(1), 2.954(0.35), 3.532(0.25),
Click Here for Large Metamunirite Structure Window Crystal Structure:

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Kato K , Takayama E , Acta Crystallographica, Section B , 40 (1984) p.102-105, Das entwaesserungsverhalten des natriummetavanadatdihydrats und die, kristallstruktur des beta-natriummetavanadats, Note: anisoB s corrected from ICSD

 

Physical Properties of Metamunirite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 1 - Talc
Help on Streak: Streak: white
 

Optical Properties of Metamunirite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.553 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1348,KC= 0.3019
Ncalc = 2.77
Help on Optical Data: Optical Data: Biaxial (+), a=1.78, b=1.8, , 2V(Meas)=30-40.
 

Calculated Properties of Metamunirite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.58 gm/cc
note: Specific Gravity of Metamunirite =5.86 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012334417
Boson Index = 0.9987665583
Help on Photoelectric: Photoelectric: PEMetamunirite = 8.37 barns/electron
U=PEMetamunirite x rElectron Density= 46.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metamunirite is Not Radioactive
 

Metamunirite Classification
Help on Dana Class: Dana Class: 47.01.03.02 (47)Vanadium Oxysalts
  (47.01)(Normal VO3)
  (47.01.03)Munirite Group
 
47.01.03.01 Munirite NaVO3•(2-x)(H2O) P 21/a 2/m
 
47.01.03.02 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.HD.20 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.20 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m
 

Other Metamunirite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.77,p1116,1992) OPTIC PROP.(Am.Min.,Vol.77,p1116,1992)
Help on See Also: See Also: Links to other databases for Metamunirite :
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

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Metamunirite

Na2[V+++++2O6] or NaVO3
Dana No: 47.01.03.02 Strunz No: 04.HD.20
Locality:

 

Notes: