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Metamunirite Mineral Data
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General Metamunirite Information
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 Chemical Formula: |
Na2[V+++++2O6] or NaVO3 |
| Composition: |
Molecular Weight = 243.86 gm |
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Sodium 18.85 % Na 25.42 % Na2O |
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Vanadium 41.78 % V 74.58 % V2O5 |
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Oxygen 39.37 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2V5+2O6 |
| IMA Status: |
Approved IMA 1991 |
| Locality: |
Burro mine, near Slick Rock, San Miguel County, Colorado, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its relationship to munirite. |
| Name Pronunciation: |
Metamunirite + Pronunciation  |
| Synonym: |
ICSD 29450 |
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IMA1990-044 |
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PDF 32-1198 |
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Metamunirite Image |
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Images:
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Metamunirite Crystallography
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| Axial Ratios: |
a:b:c =3.8744:1:1.4684 |
| Cell Dimensions: |
a = 14.134, b = 3.648, c = 5.357, Z = 4; V = 276.21 Den(Calc)= 5.86 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma |
| X Ray Diffraction: |
By Intensity(I/Io): 5.01(1), 2.954(0.35), 3.532(0.25), |
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Physical Properties of Metamunirite
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| Cleavage: |
{???} Perfect |
| Color: |
Colorless. |
| Diaphaneity: |
Transparent |
| Hardness: |
1 - Talc |
| Streak: |
white |
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Optical Properties of Metamunirite
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| Gladstone-Dale: |
CI calc= 0.553 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1348,KC= 0.3019
Ncalc = 2.77 |
| Optical Data: |
Biaxial (+), a=1.78, b=1.8, , 2V(Meas)=30-40. |
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Calculated Properties of Metamunirite
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| Electron Density: |
Bulk Density (Electron Density)=5.58 gm/cc
note: Specific Gravity of Metamunirite =5.86 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0012334417
Boson Index = 0.9987665583 |
| Photoelectric: |
PEMetamunirite = 8.37 barns/electron
U=PEMetamunirite x rElectron Density= 46.64 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metamunirite is Not Radioactive |
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Metamunirite Classification
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| Dana Class: |
47.01.03.02 (47)Vanadium Oxysalts |
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(47.01)(Normal VO3) |
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(47.01.03)Munirite Group |
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47.01.03.01 Munirite NaVO3•(2-x)(H2O) P 21/a 2/m |
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47.01.03.02 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m |
| Strunz Class: |
04.HD.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.H - V[5,6] Vanadates |
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04.HD -Inovanadates |
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04.HD.20 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m |
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Other Metamunirite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.77,p1116,1992) OPTIC PROP.(Am.Min.,Vol.77,p1116,1992) |
| 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 - 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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Print or Cut-and-Paste your Metamunirite Specimen Label here :
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Metamunirite
Na2[V+++++2O6] or NaVO3
Dana No: 47.01.03.02 Strunz No: 04.HD.20
Locality:
Notes:
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