IMA2000-016 Mineral Data

General IMA2000-016 Information

Chemical Formula:

(Ti,Fe,Mg,Mn)1-xTi2O5

Composition:

Molecular Weight = 219.59 gm

Magnesium 1.11 % Mg 1.84 % MgO

Titanium 52.33 % Ti 87.30 % TiO₂

Manganese 2.50 % Mn 3.59 % Mn₂O₃

Iron 7.63 % Fe 10.91 % Fe₂O₃

Oxygen 36.43 % O

______ ______

100.00 % 103.64 % = TOTAL OXIDE

Empirical Formula:

Ti_2.4Fe³⁺_0.3Mg_0.1Mn³⁺_0.1O₅

Environment:

Pseudobrookite 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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IMA2000-016 Crystallography

Axial Ratios:

a:b:c =2.6165:1:2.668

Cell Dimensions:

a = 9.765, b = 3.732, c = 9.957, Z = 4; V = 362.86 Den(Calc)= 4.02

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pban

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

By Intensity(I/I_o): 2.75(1), 1.727(0.9), 1.871(0.9),3.47(0.7), 1.548(0.3), 1.965(0.3),

Physical Properties of IMA2000-016

Color:

Dark gray.

Diaphaneity:

Opaque

Optical Properties of IMA2000-016

Optical Data:

NCalc= 2.58 - from Gladstone-Dale relationship (KC = 0.392) where Ncalc=Dcalc*KC+1

RL Anisotrophism:

Noted.

RL Color:

Blue-gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of IMA2000-016 in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
460 nm	11.50	11.10
540 nm	10.30	10.30
580 nm	10.10	10.20
640 nm	10.30	10.40

**Calculated Relative Intensity Colors of IMA2000-016 in Air**
Relative Intensity	0%	90%	100%	180%	270%	360%	450%	540%	630%	720%	810%	860%
R₁
R₂

Calculated Properties of IMA2000-016

Electron Density:

Bulk Density (Electron Density)=3.82 gm/cc
note: Specific Gravity of IMA2000-016 =4.02 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_IMA2000-016= 11.77 barns/electron
U=PE_IMA2000-016 x rElectron Density= 44.95 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2000-016 is Not Radioactive

IMA2000-016 Classification

Dana Class:

07.07.01.03 (07)Multiple Oxides

(07.07)with miscellaneous formulae

(07.07.01)Dana Group

07.07.01.01 Pseudobrookite (Fe,Fe)2(Ti,Fe)O5 Bbmm 2/m 2/m 2/m

07.07.01.02 Armalcolite (Mg,Fe)Ti2O5 Bbmm 2/m 2/m 2/m

07.07.01.03 IMA2000-016! (Ti,Fe,Mg,Mn)1-xTi2O5 Pban 2/m 2/m 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 IMA2000-016 Information

See Also:

Links to other databases for IMA2000-016 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Print or Cut-and-Paste your IMA2000-016 Specimen Label here :

IMA2000-016

(Ti,Fe,Mg,Mn)1-xTi2O5
Dana No: 07.07.01.03 Strunz No: 04.XX.00
Locality:

Notes: