Elsmoreite  Mineral Data

Elsmoreite Mineral Data

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General Elsmoreite Information

Help on Chemical  Formula: Chemical Formula: WO3•0.5(H2O)
Help on Composition: Composition: Molecular Weight = 239.77 gm
   Hydrogen   0.37 %  H     3.31 % H2O
   Tungsten  76.68 %  W    96.69 % WO3
   Oxygen    22.95 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: WO3•0.44(H2O)
Help on Environment: Environment: Formed as a result of the oxidation of ferberite in the oxidized zone of weakly mineralized Sn, W, Mo, Bi granitic pegmatite dykes. Related to ferritungstite
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Elsmore tin deposit in Elsmore Hill, 17 km east of Inverell and adjacent to the village of Elsmore, New England region, New South Wales, Australia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2003-059
 

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Elsmoreite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.203, Z = 16; V = 1,062.15 Den(Calc)= 6.00
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.88(1)(111), 2.944(0.78)(222), 3.08(0.62)(311),1.804(0.23)(440), 1.964(0.17)(511), 1.538(0.14)(622), 1.725(0.14)(531), 2.551(0.12)(400),
 

Physical Properties of Elsmoreite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Splintery - Brittle fracture leaving splintery fragments.
Help on Habit: Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Elsmoreite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.17 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2067,KC= 0.1766
Ncalc = 2.06
Help on Optical Data: Optical Data: Isotropic, n=2.24.
 

Calculated Properties of Elsmoreite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.12 gm/cc
note: Specific Gravity of Elsmoreite =6.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEElsmoreite = 968.63 barns/electron
U=PEElsmoreite x rElectron Density=4,964.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Elsmoreite is Not Radioactive
 

Elsmoreite Classification

Help on  Dana Class: Dana Class: 04.05.05.02 (04)Simple Oxides
  (04.05)with a cation charge of 6+ (A++++++ O3)
  (04.05.05)Dana Group
 
04.05.05.01 Ferritungstite (K,Ca,Na)(W,Fe)2(O,OH)6•(H2O) F d3m 4/m 3 2/m
 
04.05.05.02 Elsmoreite! WO3•0.5(H2O) F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 04.DH.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DH -With large (± medium-sized) cations; sheets of edge-sharing octahedra
 
04.DH.15 Alumotungstite (W,Al)(O,OH)3(?) Unk Cubic
 
04.DH.15 Betafite (Ca,U)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Ferritungstite (K,Ca,Na)(W,Fe)2(O,OH)6•(H2O) F d3m 4/m 3 2/m
 
04.DH.15 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m
 
04.DH.15 Bismutomicrolite (Bi,Ca)(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Ceriopyrochlore-(Ce) (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m
 
04.DH.15 Bariopyrochlore (Ba,Sr)(Nb,Ti)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Bariomicrolite Ba(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Calciobetafite Ca2(Ti,Nb)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Jixianite Pb(W,Fe)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Plumbomicrolite (Pb,Ca,U)2Ta2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Kalipyrochlore (H2O,Sr)(Nb,Ti)(O,OH)6•(H2O,K) F d3m 4/m 3 2/m
 
04.DH.15 Plumbopyrochlore (Pb,Y,U,Ca)2-xNb2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Strontiopyrochlore* Sr2Nb2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Uranmicrolite (U,Ca)2(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Pyrochlore (Na,Ca)2Nb2O6(OH,F) F d3m 4/m 3 2/m
 
04.DH.15 Microlite (Na,Ca)2Ta2O6(O,OH,F) F d3m 4/m 3 2/m
 
04.DH.15 Natrobistantite (Na,Cs)Bi(Ta,Nb,Sb)4O12 F d3m 4/m 3 2/m
 
04.DH.15 Plumbobetafite (Pb,U,Ca)(Ti,Nb)2O6(OH,F) F d3m 4/m 3 2/m
 
04.DH.15 Stibiomicrolite (Sb,Ca,Na)2(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Stannomicrolite (Sn,Fe,Mn)(Ta,Nb,Sn)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Stibiobetafite (Sb,Ca)2(Ti,Nb,Ta)2(O,OH)7 F d3m 4/m 3 2/m
 
04.DH.15 Uranpyrochlore (U,Ca,Ce)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m
 
04.DH.15 Bismutopyrochlore! (Bi,U,Ca,Pb)1x(Nb,Ta)2O6(OH)•n(H2O) F d3m 4/m 3 2/m
 
04.DH.15 Fluornatromicrolite! (Na,Ca,Bi)2Ta2O6F F d3m 4/m 3 2/m
 
04.DH.15 Yttrobetafite-(Y) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m
 
04.DH.15 Yttropyrochlore-(Y) (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 F d3m 2/m 3
 
04.DH.15 Elsmoreite! WO3•0.5(H2O) F d3m 4/m 3 2/m
 

Other Elsmoreite Information

Help on References: References: NAME( AmMin, v91, p217) PHYS. PROP.(AmMin, v91, p217) OPTIC PROP.(AmMin, v91, p217)
Help on See Also: See Also: Links to other databases for Elsmoreite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Elsmoreite Specimen Label here :

Elsmoreite

WO3•0.5(H2O)
Dana No: 04.05.05.02 Strunz No: 04.DH.15
Locality:

 

Notes: