Scheteligite Mineral Data


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General Scheteligite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH)
Help on Composition: Composition: Molecular Weight = 424.56 gm
   Calcium    10.38 %  Ca   14.53 % CaO
   Yttrium     8.38 %  Y    10.64 % Y2O3
   Tantalum   21.31 %  Ta   26.02 % Ta2O5
   Titanium   13.53 %  Ti   22.58 % TiO2
   Manganese   2.59 %  Mn    3.34 % MnO
   Niobium     4.38 %  Nb    6.26 % Nb2O5
   Antimony    8.60 %  Sb   10.30 % Sb2O3
   Hydrogen    0.12 %  H     1.06 % H2O
   Tungsten    4.33 %  W     5.46 % WO3
   Oxygen     26.38 %  O
             ______        ______ 
             100.00 %      100.19 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.1Y0.4Sb0.3Mn2+0.2Ti1.2Ta0.5Nb0.2W0.1O6.5(OH)0.5
Help on Environment: Environment: A questionable mineral.
Help on IMA Status: IMA Status: Discredited IMA 1977
Help on Locality: Locality: Torvelona, Iveland, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1937 for Jacob Schetelig (1875-1935), Norwegian mineralogist, director of the Oslo Mineralogical Museum.
 

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Scheteligite Crystallography

Help on Crystal System: Crystal System: OrthorhombicSpace Group: Unk
 

Physical Properties of Scheteligite

Help on Color: Color: Black.
Help on Density: Density: 4.74
Help on Diaphaniety: Diaphaniety: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Adamantine
 

Optical Properties of Scheteligite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2215,KC= 0.2338
Help on Optical Data: Optical Data: Biaxial (?), b=2.05
 

Calculated Properties of Scheteligite

Help on Electron Density: Electron Density:

relectron=4.31 gm/cc
note: rScheteligite =4.74 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.02397
Boson Index = 0.97603
Help on Photoelectric: Photoelectric:

PEScheteligite = 342.85 barns/electron
U=PEScheteligite x relectron=1,476.76 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Scheteligite is Not Radioactive

 

Scheteligite Classification

Help on  Dana Class: Dana Class: 8.2.6.1 (8)Multiple Oxides with Nb, Ta, and Ti
  (8.2)where (A)2 (B2O6) (O,OH,F)
  (8.2.6)Dana Group
 
8.2.6.1 Scheteligite ? (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho
Help on  Strunz Class: Strunz Class: IV/C.14-20 IV - Oxides
  IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)
  IV/C.14 - Stibiconite group, Murataite-Y - Scheteligite series
 
IV/C.14-10 Murataite (Y,Na)6(Zn,Fe)5(Ti,Nb)12O29(O,F)14 F43m 4 3m
 
IV/C.14-20 Scheteligite (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho
 

Other Scheteligite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Scheteligite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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

Scheteligite

(Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH)
Dana No: 8.2.6.1 Strunz No: IV/C.14-20
Locality:

 

Notes:

 

 
   
 
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