Mopungite Mineral Data

Mopungite Mineral Data
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General Mopungite Information

Help on Chemical Formula: Chemical Formula: NaSb(OH)6
Help on Composition: Composition: Molecular Weight = 246.78 gm
   Sodium     9.32 %  Na   12.56 % Na2O
   Antimony  49.33 %  Sb   65.54 % Sb2O5
   Hydrogen   2.45 %  H    21.90 % H2O
   Oxygen    38.90 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaSb(OH)6
Help on Environment: Environment: Secondary mineral from stibnite.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Mopung Hills, Churchill County, Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Mopungite + Pronunciation Say MOPUNGITE
Help on Synonym: Synonym: ICSD 4211
  PDF 38-411
 

Mopungite Image

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Mopungite

Comments: White mopungite encrustations.
Location: Cetine di Cotorniano Mine (Cetine Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Mopungite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.98311
Help on Cell Dimensions: Cell Dimensions: a = 7.994, c = 7.859, Z = 4; V = 502.22 Den(Calc)= 3.26
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 41/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.58(1), 3.985(0.8), 1.205(0.7),
Click Here for Large Mopungite Structure Window Crystal Structure:

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Schrewelius N , Zeitschrift fur Anorganische und Allgemeine Chemie , 238 (1938) p.241-254, Rontgenuntersuchung der verbindungen NaSb(OH)6, NaSbF6, NaSbO3 und gleichartiger stoffe

 

Physical Properties of Mopungite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Milky white.
Help on Density: Density: 3.21
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Pseudo Cubic - Crystals show a cubic outline.
Help on Habit: Habit: Pseudomorphous - Occurs in the form of another mineral.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Mopungite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.044 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.059 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.187,KPDmeas= 0.1899,KC= 0.1986
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Uniaxial (-), e=1.605, w=1.614, bire=0.0090.
 

Calculated Properties of Mopungite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.02 gm/cc
note: Specific Gravity of Mopungite =3.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000190391
Boson Index = 0.999809609
Help on Photoelectric: Photoelectric: PEMopungite = 154.60 barns/electron
U=PEMopungite x rElectron Density= 466.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mopungite is Not Radioactive
 

Mopungite Classification
Help on Dana Class: Dana Class: 06.03.07.04 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.03)with (OH)3 or (OH)6 groups
  (06.03.07)Wickmanite group (Tetragonal: P42/n)
 
06.03.07.01 Stottite FeGe(OH)6 P 41/n 4/m
 
06.03.07.02 Tetrawickmanite MnSn(OH)6 P 41/n 4/m
 
06.03.07.03 Jeanbandyite (Fe,Mn)Sn(OH)6 P 41/n 4/m
 
06.03.07.04 Mopungite NaSb(OH)6 P 41/n 4/m
Help on Strunz Class: Strunz Class: 04.FC.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FC -Hydroxides with OH, without H2O; corner-sharing octahedra
 
04.FC.15 Jeanbandyite (Fe,Mn)Sn(OH)6 P 41/n 4/m
 
04.FC.15 Mopungite NaSb(OH)6 P 41/n 4/m
 
04.FC.15 Stottite FeGe(OH)6 P 41/n 4/m
 
04.FC.15 Tetrawickmanite MnSn(OH)6 P 41/n 4/m
 

Other Mopungite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Mopungite :
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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Mopungite

NaSb(OH)6
Dana No: 06.03.07.04 Strunz No: 04.FC.15
Locality:

 

Notes: