Munirite Mineral Data

Munirite Mineral Data +

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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)

IMA Status:

Approved IMA 1982

Locality:

Link to MinDat.org Location Data.

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 - PrismaticH-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

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:

r_electron=2.38 gm/cc
note: r_Munirite=2.43 gm/cc.

Fermion Index

Fermion Index = 0.00109
Boson Index = 0.99891

Photoelectric:

PE_Munirite= 6.72 barns/electron
U=PE_Munirite x r_electron= 16.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Munirite is Not Radioactive

Munirite Classification

Dana Class:

47.1.3.1 (47)Vanadium Oxysalts

(47.1)(Normal VO3)

(47.1.3)Dana Group

47.1.3.1 Munirite NaVO3·(2-x)(H2O) P 2₁/a 2/m

47.1.3.2 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m

Strunz Class:

IV/G.07-30 IV - Oxides

IV/G - Vanadiumoxides (with V4+/5+) Chain vanadates with [V2O6]2-

IV/G.07 - Navajoite-Metadelrioite series

IV/G.07-10 Navajoite V2O5·3(H2O) C 2/m 2/m

IV/G.07-15 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 2₁/n 2/m

IV/G.07-20 Alvanite (Zn,Ni)Al4(VO3)2(OH)12·2(H2O) P 2₁/n 2/m

IV/G.07-30 Munirite NaVO3·(2-x)(H2O) P 2₁/a 2/m

IV/G.07-40 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m

IV/G.07-45 Dickthomssenite! Mg(V2O6)·7(H2O) C 2/c 2/m

IV/G.07-48 Ansermetite! MnV2O6·4(H2O) C 2/m 2/m

IV/G.07-50 Rossite CaV2O6·4(H2O) P1 1

IV/G.07-60 Metarossite CaV2O6·2(H2O) P1 1

IV/G.07-70 Delrioite CaSrV2O6(OH)2·3(H2O) I/a or I2/a 2/m

IV/G.07-80 Metadelrioite CaSrV2O6(OH)2·(H2O) P1 1

Other Munirite Information

References:

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Munirite

NaVO3·(2-x)(H2O)
Dana No: 47.1.3.1 Strunz No: IV/G.07-30
Locality:

Notes: