Munirite Mineral Data

General Munirite Information

Chemical Formula:

NaVO3•(2-x)(H2O)

Composition:

Molecular Weight = 148.95 gm

Sodium 15.43 % Na 20.80 % Na₂O

Vanadium 34.20 % V 61.05 % V₂O₅

Hydrogen 2.03 % H 18.14 % H₂O

Oxygen 48.34 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaV⁵⁺O₃•1.5(H₂O)

Environment:

On sandstone, presumably formed from oxidation of vanadium-bearing primary uranium minerals.

IMA Status:

Approved IMA 1982

Locality:

Bhimber area, Azad Kashmir, Pakistan. Link to MinDat.org Location Data.

Name Origin:

Named for Munir Ahmad Khan, Chairman, Pakistan Atomic Energy Commission.

Name Pronunciation:

Munirite

Synonym:

ICSD 1338

PDF 45-1432

Munirite Image

Images:

Munirite

Comments: Bright yellow-orange crystalline munirite on matrix.
Location: Brushy Creek, Uravan, Montrose County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Munirite Crystallography

Axial Ratios:

a:b:c =4.5984:1:2.2043

Cell Dimensions:

a = 16.72, b = 3.636, c = 8.015, Z = 5; beta = 111° V = 454.90 Den(Calc)= 2.72

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/I_o): 7.851(1), 3.2973(0.9), 2.6847(0.8),

Physical Properties of Munirite

Cleavage:

{???} Perfect

Color:

Pearl white.

Density:

2.43

Hardness:

1-2 - Between Talc and Gypsum

Luster:

Pearly

Streak:

white

Optical Properties of Munirite

Gladstone-Dale:

CI meas= 0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.107 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2756,KPDmeas= 0.3085,KC= 0.3088
Ncalc = 1.75 - 1.84

Optical Data:

Biaxial (-), a=1.692, b=1.757, g=1.8, bire=0.1080, 2V(Calc)=74, 2V(Meas)=75.

Calculated Properties of Munirite

Electron Density:

Bulk Density (Electron Density)=2.38 gm/cc
note: Specific Gravity of Munirite =2.43 gm/cc.

Fermion Index:

Fermion Index = 0.0010900532
Boson Index = 0.9989099468

Photoelectric:

PE_Munirite= 6.72 barns/electron
U=PE_Munirite x rElectron Density= 16.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Munirite is Not Radioactive

Munirite Classification

Dana Class:

47.01.03.01 (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

Strunz Class:

04.HD.15 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.15 Munirite NaVO3•(2-x)(H2O) P 2₁/a 2/m

Other Munirite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Munirite :
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 Munirite Specimen Label here :

Munirite

NaVO3•(2-x)(H2O)
Dana No: 47.01.03.01 Strunz No: 04.HD.15
Locality:

Notes:

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