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Scheteligite Mineral Data
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General Scheteligite Information
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 Chemical Formula: |
(Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) |
| Composition: |
Molecular Weight = 424.56 gm |
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Calcium 10.38 % Ca 14.53 % CaO |
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Yttrium 8.38 % Y 10.64 % Y2O3 |
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Tantalum 21.31 % Ta 26.02 % Ta2O5 |
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Titanium 13.53 % Ti 22.58 % TiO2 |
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Manganese 2.59 % Mn 3.34 % MnO |
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Niobium 4.38 % Nb 6.26 % Nb2O5 |
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Antimony 8.60 % Sb 10.30 % Sb2O3 |
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Hydrogen 0.12 % H 1.06 % H2O |
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Tungsten 4.33 % W 5.46 % WO3 |
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Oxygen 26.38 % O |
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______ ______ |
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100.00 % 100.19 % = TOTAL OXIDE |
| Empirical Formula: |
Ca1.1Y0.4Sb0.3Mn2+0.2Ti1.2Ta0.5Nb0.2W0.1O6.5(OH)0.5 |
| Environment: |
A questionable mineral. |
| IMA Status: |
Discredited IMA 1977 |
| Locality: |
Torvelona, Iveland, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1937 for Jacob Schetelig (1875-1935), Norwegian mineralogist, director of the Oslo Mineralogical Museum. |
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Scheteligite Crystallography
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| Crystal System: |
Orthorhombic Space Group: Unk |
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Physical Properties of Scheteligite
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| Color: |
Black. |
| Density: |
4.74 |
| Diaphaneity: |
Opaque |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Hardness: |
5.5 - Knife Blade |
| Luster: |
Adamantine |
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Optical Properties of Scheteligite
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| Gladstone-Dale: |
CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2215,KC= 0.2338
Ncalc = 2.11 |
| Optical Data: |
Biaxial (?), b=2.05 |
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Calculated Properties of Scheteligite
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| Electron Density: |
Bulk Density (Electron Density)=4.31 gm/cc
note: Specific Gravity of Scheteligite =4.74 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEScheteligite = 342.85 barns/electron
U=PEScheteligite x rElectron Density=1,476.76 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Scheteligite is Not Radioactive |
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Scheteligite Classification
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| Dana Class: |
08.02.06.01 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.02)where (A)2 (B2O6) (O,OH,F) |
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(08.02.06)Dana Group |
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08.02.06.01 Scheteligite? (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho |
| Strunz Class: |
04.XX.00 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.X - Unclassified Strunz OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, telluri |
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04.XX -Oxide, Basic Hydrated |
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04.XX.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m |
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04.XX.00 Methane hydrate-I! 46(H2O)•2(S)•6(L) P m3n 4/m 3 2/m |
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04.XX.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono |
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04.XX.00 Chubutite* Pb7O6Cl2 Unk Ortho |
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04.XX.00 Kleberite* FeTi6O13•4(H2O)(?) P 63mcm ? 6mm |
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04.XX.00 Hongquiite* TiO F m3m 4/m 3 2/m |
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04.XX.00 Psilomelane? (Ba,H2O)2Mn5O10 A2/m 2/m |
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04.XX.00 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m |
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04.XX.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 63/m,P 63 Hex |
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04.XX.00 Uhligite? Ca3(Ti,Al,Zr)9O20 Unk Cubic |
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04.XX.00 Scheteligite? (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho |
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04.XX.00 Allendeite! Sc4Zr3O12 R 3 3 |
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04.XX.00 IMA2000-016! (Ti,Fe,Mg,Mn)1-xTi2O5 Pban 2/m 2/m 2/m |
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04.XX.00 Methane hydrate-II! 136(H2O)•16(S)•8(L) F d3m 4/m 3 2/m |
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04.XX.00 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m |
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04.XX.00 Methane hydrate-H! 34(H2O)•3(S)•2(M)•1(L) P 6/mmm 6/m 2/m 2/m |
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Other Scheteligite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Scheteligite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
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Scheteligite
(Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH)
Dana No: 08.02.06.01 Strunz No: 04.XX.00
Locality:
Notes:
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