Russellite Mineral Data

Russellite Mineral Data
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General Russellite Information

Help on Chemical Formula: Chemical Formula: Bi2WO6
Help on Composition: Composition: Molecular Weight = 697.81 gm
   Bismuth   59.90 %  Bi   66.77 % Bi2O3
   Tungsten  26.35 %  W    33.23 % WO3
   Oxygen    13.76 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi2WO6
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1938
Help on Locality: Locality: Castle and Dinas mine, St. Columb Major, Cornwall, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arthur Edward Ian Montagu Russell (1878-1964), British mineralogist.
Help on Name Pronunciation: Name Pronunciation: Russellite + Pronunciation Say RUSSELLITE
 

Russellite Image

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Russellite

Comments: Pale yellowish beige veinlet and thin crusts of russellite.
Location: Himmelfahrt Mine, Steinbach, Johanngeorgenstadt, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Russellite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.3309:1:0.3322
Help on Cell Dimensions: Cell Dimensions: a = 5.43726, b = 16.43019, c = 5.45842, Z = 4; V = 487.63 Den(Calc)= 9.50
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P ca21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.151(1), 2.738(0.29), 2.729(0.22),
Click Here for Large Russellite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
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Knight K S , Mineralogical Magazine , 56 (1992) p.399-409

 

Physical Properties of Russellite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Brown orange, Greenish, Greenish yellow, Light yellow.
Help on Density: Density: 7.35
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Streak: Streak: white
 

Optical Properties of Russellite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.027 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.205 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1263,KPDmeas= 0.1633,KC= 0.159
Ncalc = 2.17 - 2.51
Help on Optical Data: Optical Data: Biaxial (+), b=2.2, 2V(Meas)=0.
 

Calculated Properties of Russellite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.07 gm/cc
note: Specific Gravity of Russellite =7.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PERussellite =1,512.15 barns/electron
U=PERussellite x rElectron Density=9,174.22 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Russellite is Not Radioactive
 

Russellite Classification
Help on Dana Class: Dana Class: 48.02.01.01 (48)Anhydrous Molybdates and Tungstates
  (48.02)where (A)2 XO4
  (48.02.01)Dana Group
 
48.02.01.01 Russellite Bi2WO6 P ca21 mm2
Help on Strunz Class: Strunz Class: 04.DE.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DE -With medium-sized cations; with various polyhedra
 
04.DE.15 Koechlinite Bi2MoO6 C mca 2/m 2/m 2/m
 
04.DE.15 Russellite Bi2WO6 P ca21 mm2
 
04.DE.15 Tungstibite Sb2O3•WO3 P 22121 2 2 2
 

Other Russellite 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 Russellite :
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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Print or Cut-and-Paste your Russellite Specimen Label here :

Russellite

Bi2WO6
Dana No: 48.02.01.01 Strunz No: 04.DE.15
Locality:

 

Notes: