Ulvospinel Mineral Data

Ulvospinel Mineral Data +

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General Ulvospinel Information

Chemical Formula:

TiFe++2O4

Composition:

Molecular Weight = 223.57 gm

Titanium 21.42 % Ti 35.73 % TiO₂

Iron 49.96 % Fe 64.27 % FeO

Oxygen 28.63 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

TiFe²⁺₂O₄

Environment:

Common constituant of titaniferous magnetite iron ores.

IMA Status:

Valid Species (Pre-IMA) 1943

Locality:

Sodra Ulvön island, Angermanland, Sweden Link to MinDat.org Location Data.

Name Origin:

Named after the locality and the spinel group of minerals.

Synonym:

Ulvite

Ulvospinel Image

Images:

Ulvospinel

Comments: Black sub-metallic massive ulv?spinel.
Location: Otanmaki, Sout, Oulu, Finland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ulvospinel Crystallography

Cell Dimensions:

a = 8.4596, Z = 8; V = 605.41 Den(Calc)= 4.91

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/I_o): 2.574(1), 1.509(0.45), 1.643(0.35),

Crystal Structure:

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Sedler I K , Feenstra A , Peters T , European Journal of Mineralogy , 6 (1994) p.873-885, An X-ray powder diffraction study of synthetic (Fe,Mn)2TiO4 spinel, Sample: D-16

View Additional jPOWD Structure files for Ulvospinel
[1] [10] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Ulvospinel

Color:

Black.

Diaphaniety:

Opaque

Hardness:

5.5-6 - Knife Blade-Orthoclase

Luster:

Metallic

Optical Properties of Ulvospinel

Optical Data:

Isotropic.

NCalc= 2.28 - from Gladstone-Dale relationship (KC = 0.2612) where Ncalc=Dcalc*KC+1

RL Color:

Brown to reddish brown.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Ulvospinel in Air**
λ	R	∑ R(λ)
400 nm	17.90
420 nm	17.50
440 nm	17.10
460 nm	17.00
480 nm	16.90
500 nm	17.00
520 nm	17.20
540 nm	17.50
560 nm	17.80
580 nm	18.20
600 nm	18.60
620 nm	18.90
640 nm	19.10
660 nm	19.20
680 nm	19.20
700 nm	19.20

**Calculated Relative Intensity Colors of Ulvospinel in Air**
Relative Intensity	0%	60%	100%	120%	180%	240%	300%	360%	420%	480%	510%
R

Calculated Properties of Ulvospinel

Electron Density:

r_electron=4.66 gm/cc
note: r_Ulvospinel=4.91 gm/cc.

Fermion Index

Fermion Index = 0.03841
Boson Index = 0.96159

Photoelectric:

PE_Ulvospinel= 18.89 barns/electron
U=PE_Ulvospinel x r_electron= 87.94 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ulvospinel is Not Radioactive

Ulvospinel Classification

Dana Class:

7.2.5.2 (7)Multiple Oxides

(7.2)(A+ B++)2 X4 Spinel group

(7.2.5)(Titanium subgroup)

7.2.5.1 Qandilite (Mg,Fe)2(Ti,Fe,Al)O4 F d3m 4/m 3 2/m

7.2.5.2 Ulvospinel TiFe2O4 F d3m 4/m 3 2/m

Strunz Class:

IV/B.04-40 IV - Oxides

IV/B - Oxides with metal : oxygen = 3:4 (spinel type M3O4 and related), V/Ti/Ge-Spinels

IV/B.04 - Spinel group, Vuorelainenite - Brunogeierite series

IV/B.04-05 Magnesiocoulsonite MgV2O4 F d3m 4/m 3 2/m

IV/B.04-10 Vuorelainenite (Mn,Fe)(V,Cr)2O4 F d3m 4/m 3 2/m

IV/B.04-20 Coulsonite FeV2O4 F d3m 4/m 3 2/m

IV/B.04-30 Qandilite (Mg,Fe)2(Ti,Fe,Al)O4 F d3m 4/m 3 2/m

IV/B.04-40 Ulvospinel TiFe2O4 F d3m 4/m 3 2/m

IV/B.04-50 Brunogeierite (Ge,Fe)Fe2O4 F d3m 4/m 3 2/m

Other Ulvospinel Information

References:

NAME( Athena) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Ulvospinel :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - University of Colorado - Mineral Structure Data
14 - WWW-MINCRYST

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

Ulvospinel

TiFe++2O4
Dana No: 7.2.5.2 Strunz No: IV/B.04-40
Locality:

Notes: