IMA2000-026 Mineral Data

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General IMA2000-026 Information

Chemical Formula:

(Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32

Composition:

Molecular Weight = 2,616.79 gm

Lithium 0.27 % Li 0.57 % Li₂O

Tantalum 62.23 % Ta 75.99 % Ta₂O₅

Manganese 6.30 % Mn 8.13 % MnO

Niobium 7.10 % Nb 10.16 % Nb₂O₅

Tin 4.54 % Sn 5.76 % SnO₂

Oxygen 19.57 % O

______ ______

100.00 % 100.61 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺₃LiTa₃SnTa₆Nb₂O₃₂

Environment:

Wodginite group

IMA Status:

Proposed IMA 2000 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2000-026 Crystallography

Axial Ratios:

a:b:c =0.8255:1:0.4442

Cell Dimensions:

a = 9.5104, b = 11.5196, c = 5.1179, Z = 1; beta = 91.221° V = 560.57 Den(Calc)= 7.75

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.976(1), 2.966(0.95), 3.644(0.46),2.465(0.36), 1.715(0.23), 1.455(0.18), 1.767(0.17),

Physical Properties of IMA2000-026

Color:

Reddish brown.

Diaphaneity:

Translucent

Luster:

Vitreous (Glassy)

Optical Properties of IMA2000-026

Gladstone-Dale:

CI calc= 0.224 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1303,KC= 0.168
Ncalc = 2.3

Optical Data:

Biaxial (?), a=2.01

Calculated Properties of IMA2000-026

Electron Density:

Bulk Density (Electron Density)=6.65 gm/cc
note: Specific Gravity of IMA2000-026 =7.75 gm/cc.

Fermion Index:

Fermion Index = 0.0079071508
Boson Index = 0.9920928492

Photoelectric:

PE_IMA2000-026= 774.73 barns/electron
U=PE_IMA2000-026 x rElectron Density=5,153.38 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2000-026 is Not Radioactive

IMA2000-026 Classification

Dana Class:

08.01.08.06 (08)Multiple Oxides with Nb, Ta, and Ti

(08.01)where A BO4

(08.01.08)Wodginite Group

08.01.08.01 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m

08.01.08.02 Ferrowodginite FeSnTa2O8 C 2/c 2/m

08.01.08.03 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m

08.01.08.04 Lithiowodginite LiTa3O8 C 2/c 2/m

08.01.08.05 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m

08.01.08.06 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m

Strunz Class:

04.XX.00 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.X - Unclassified Strunz OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, telluri

04.XX -Oxide

04.XX.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m

04.XX.00 Methane hydrate-I! 46(H2O)•2(S)•6(L) P m3n 4/m 3 2/m

04.XX.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono

04.XX.00 Chubutite* Pb7O6Cl2 Unk Ortho

04.XX.00 Kleberite* FeTi6O13•4(H2O)(?) P 6₃mcm ? 6mm

04.XX.00 Hongquiite* TiO F m3m 4/m 3 2/m

04.XX.00 Psilomelane? (Ba,H2O)2Mn5O10 A2/m 2/m

04.XX.00 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m

04.XX.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 6₃/m,P 6₃ Hex

04.XX.00 Uhligite? Ca3(Ti,Al,Zr)9O20 Unk Cubic

04.XX.00 Scheteligite? (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho

04.XX.00 Allendeite! Sc4Zr3O12 R 3 3

04.XX.00 IMA2000-016! (Ti,Fe,Mg,Mn)1-xTi2O5 Pban 2/m 2/m 2/m

04.XX.00 Methane hydrate-II! 136(H2O)•16(S)•8(L) F d3m 4/m 3 2/m

04.XX.00 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m

04.XX.00 Methane hydrate-H! 34(H2O)•3(S)•2(M)•1(L) P 6/mmm 6/m 2/m 2/m

Other IMA2000-026 Information

See Also:

Links to other databases for IMA2000-026 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - Ruff.Info

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Print or Cut-and-Paste your IMA2000-026 Specimen Label here :

IMA2000-026

(Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32
Dana No: 08.01.08.06 Strunz No: 04.XX.00
Locality:

Notes: