Feroxyhyte Mineral Data (original) (raw)

General Feroxyhyte Information

Help on Chemical Formula: Chemical Formula:

Fe+++O(OH)

Help on Composition: Composition:

Molecular Weight = 88.85 gm

Iron 62.85 % Fe 89.86 % Fe2O3

Hydrogen 1.13 % H 10.14 % H2O

Oxygen 36.01 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Fe3+O(OH)

Help on Environment: Environment:

Deep ocean (high pressure, low temperature, saltwater). Alters spontaneously to geothite on exposure to air.

Help on IMA Status: IMA Status:

Approved IMA 1976

Help on Locality: Locality:

Pacific ocean Fe-Mn nodules. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the composition (Ferric, Oxygen, Hydroxide).

Help on Name Pronunciation: Name Pronunciation:

Feroxyhyte + Pronunciation Say FEROXYHYTE

Help on Synonym: Synonym:

ICSD 33615

PDF 13-518

Feroxyhyte Image

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Feroxyhyte Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:1.56996

Help on Cell Dimensions: Cell Dimensions:

a = 2.93, c = 4.6, Z = 1; V = 34.20 Den(Calc)= 4.31

Help on Crystal System: Crystal System:

HexagonalSpace Group: Unk

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.54(1), 1.47(0.8), 2.23(0.5),

Physical Properties of Feroxyhyte

Help on Color: Color:

Brown.

Help on Density: Density:

4.2

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Concretionary - Rounded massive fine-grained materials.

Help on Habit: Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Help on Habit: Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Help on Magnetism: Magnetism:

Magnetic

Help on Streak: Streak:

yellow

Optical Properties of Feroxyhyte

Help on Optical Data: Optical Data:

NCalc= 2.37 - from Gladstone-Dale relationship (KC = 0.3175) where Ncalc=Dcalc*KC+1
NCalc= 2.33 - from Gladstone-Dale relationship (KC = 0.3175) where Ncalc=Dmeas*KC+1

Calculated Properties of Feroxyhyte

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.17 gm/cc
note: Specific Gravity of Feroxyhyte =4.31 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEFeroxyhyte = 18.93 barns/electron
U=PEFeroxyhyte x rElectron Density= 78.97 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Feroxyhyte is Not Radioactive

Feroxyhyte Classification

Help on Dana Class: Dana Class:

06.01.04.04 (06)Hydroxides and Oxides Containing Hydroxyl

(06.01)where X+++O OH

(06.01.04)Heterogenite Group

06.01.04.01 Heterogenite-2H CoO(OH) P 63/mmc 6/m 2/m 2/m

06.01.04.02 Heterogenite-3R CoO(OH) R 3m 3 2/m

06.01.04.03 Feitknechtite beta-MnO(OH) Unk Hex

06.01.04.04 Feroxyhyte FeO(OH) Unk Hex

Help on Strunz Class: Strunz Class:

04.FE.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.F - Hydroxides (without V or U)

04.FE -Hydroxides with OH, without H2O; sheets of edge-sharing octahedra

04.FE.40 Feroxyhyte FeO(OH) Unk Hex

04.FE.40 Vernadite (Mn,Fe,Ca,Na)(O,OH)2•n(H2O) I 4/m 4/m

Other Feroxyhyte Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Feroxyhyte :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Feroxyhyte

Fe+++O(OH)
Dana No: 06.01.04.04 Strunz No: 04.FE.40
Locality:

Notes: