Haggertyite Mineral Data

Haggertyite Mineral Data +

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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 rth’s mantle, and of oxide minerals in

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 DipyramidalH-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),

Crystal Structure:

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Grey I E , Velde D , Criddle A J , American Mineralogist , 83 (1998) p.1323-1329, Haggertyite, a new magnetoplumbite-type titanate mineral from the, Prairie Creek (Arkansas) lamproite

Physical Properties of Haggertyite

Color:

Gray.

Diaphaniety:

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:

r_electron=4.55 gm/cc
note: r_Haggertyite=4.87 gm/cc.

Fermion Index

Fermion Index = 0.06259
Boson Index = 0.93741

Photoelectric:

PE_Haggertyite= 70.62 barns/electron
U=PE_Haggertyite x r_electron= 321.39 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Haggertyite is Not Radioactive

Haggertyite Classification

Dana Class:

7.4.2.2 (7)Multiple Oxides

(7.4)with O19 groups

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

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

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

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

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

Strunz Class:

IV/C.08-22 IV - Oxides

IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)

IV/C.08 - Yimngite - Otjisumeite series

IV/C.08-10 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-20 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-22 Haggertyite Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-25 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-30 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-35 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-40 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-45 Zenzenite Pb3(Fe,Mn)4Mn3O15 P 6₃/mcm 6/m 2/m 2/m

IV/C.08-47 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

IV/C.08-50 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 6₃/mmc 6/m 2/m 2/m

IV/C.08-60 Bartelkeite PbFeGe3O8 P 2₁,P 2₁/m Mono

IV/C.08-70 Otjisumeite PbGe4O9 P1,P 1 Tri

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 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST

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Haggertyite

Ba[Fe++6Ti5Mg]O19
Dana No: 7.4.2.2 Strunz No: IV/C.08-22
Locality:

Notes: