Haggertyite Mineral Data

General Haggertyite Information

Chemical Formula:

Ba[Fe++6Ti5Mg]O19

Composition:

Molecular Weight = 1,040.10 gm

Barium 13.20 % Ba 14.74 % BaO

Magnesium 2.34 % Mg 3.88 % MgO

Titanium 23.02 % Ti 38.40 % TiO₂

Iron 32.22 % Fe 41.45 % FeO

Oxygen 29.23 % O

______ ______

100.00 % 98.46 % = TOTAL OXIDE

Empirical Formula:

BaFe²⁺₆Ti₅MgO₁₉

Environment:

The Fe++ dominant analog of hawthorneite. A member of the Magnetoplumbite group.

IMA Status:

Approved IMA 1996 (Dana # Added)

Locality:

Found in the Prairie Creek lamproite, Crater of Diamonds State Park, near Murfreesboro, Pike County, Arkansas. Link to MinDat.org Location Data.

Name Origin:

Named after Stephen E. Haggerty (b. 1938), of the University of Massachusetts, Amherst, Massachusetts, U.S.A., in recognition of his important studies of titanate minerals in the Ea rthï¿½s mantle, and of oxide minerals in

Name Pronunciation:

Haggertyite + Pronunciation

Synonym:

ICSD 77475

IMA1996-054

Haggertyite Image

Images:

Haggertyite

Comments: Backscattered electron photomicrograph showing a hexagonal haggertyite crystal (white) in contact with richterite (light gray) and serpentized olivine (dark gray). (AmMin, v 83, p 1324).
Location: Prairie Creek lamproite, Arkansas, USA. Scale: See Image.
© American Mineralogist

Haggertyite Crystallography

Axial Ratios:

a:c = 1:3.9352

Cell Dimensions:

a = 5.926, c = 23.32, Z = 2; V = 709.22 Den(Calc)= 4.87

Crystal System:

Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 2.641(1), 2.795(0.9), 1.634(0.47),

Physical Properties of Haggertyite

Color:

Gray.

Diaphaneity:

Opaque

Hardness:

5 - Apatite

Luster:

Metallic

Optical Properties of Haggertyite

Optical Data:

NCalc= 2.24 - from Gladstone-Dale relationship (KC = 0.2554) where Ncalc=Dcalc*KC+1

Calculated Properties of Haggertyite

Electron Density:

Bulk Density (Electron Density)=4.55 gm/cc
note: Specific Gravity of Haggertyite =4.87 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Haggertyite= 70.62 barns/electron
U=PE_Haggertyite x rElectron Density= 321.39 barns/cc.

Radioactivity:

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

Haggertyite Classification

Dana Class:

07.04.02.02 (07)Multiple Oxides

(07.04)with O19 groups

(07.04.02)(Hexagonal, P63/mmc) Strongly Magnetic

07.04.02.01 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.02 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.03 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.04 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

04.CC.45 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CC -With large and medium-sized cations

04.CC.45 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Diaoyudaoite NaAl11O17 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

Other Haggertyite Information

References:

NAME( CanMin 8/99) PHYS. PROP.(Am.Min.,Vol.83,p1323-1329,1998)

See Also:

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

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

Haggertyite

Ba[Fe++6Ti5Mg]O19
Dana No: 07.04.02.02 Strunz No: 04.CC.45
Locality:

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