Hematophanite Mineral Data

Hematophanite Mineral Data +

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General Hematophanite Information

Chemical Formula:

Pb4Fe+++3O8(OH,Cl)

Composition:

Molecular Weight = 1,145.95 gm

Iron 14.62 % Fe 20.90 % Fe₂O₃

Hydrogen 0.07 % H 0.59 % H₂O

Lead 72.32 % Pb 77.91 % PbO

Chlorine 0.77 % Cl 0.77 % Cl

- % Cl -0.17 % -O=Cl₂

Oxygen 12.22 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb₄Fe³⁺₃O₈(OH)_0.75Cl_0.25

IMA Status:

Valid Species (Pre-IMA) 1928

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 15521

PDF 33-758

Hematophanite Image

Images:

Hematophanite

Comments: Deep red earthy hematophanite in manganese ore matrix.
Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hematophanite Crystallography

Axial Ratios:

a:c = 1:3.90561

Cell Dimensions:

a = 3.92, c = 15.31, Z = 1; V = 235.26 Den(Calc)= 8.09

Crystal System:

Tetragonal - Ditetragonal PyramidalH-M Symbol (4mm) Space Group: P 4mm

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

By Intensity(I/I_o): 2.71(1), 2.76(1), 3.9(0.6),

Crystal Structure:

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Rouse R C , Mineralogical Magazine , 39 (1973) p.49-53, Hematophanite, a derivative of the perovskite structure, Locality: Langban, Sweden

Physical Properties of Hematophanite

Cleavage:

[001] Good

Color:

Reddish brown.

Density:

7.7

Diaphaniety:

Opaque

Hardness:

2-3 - Gypsum-Calcite

Luster:

Sub Metallic

Streak:

yellow red

Optical Properties of Hematophanite

Optical Data:

NCalc= 2.41 - from Gladstone-Dale relationship (KC = 0.1739) where Ncalc=Dcalc*KC+1
NCalc= 2.34 - from Gladstone-Dale relationship (KC = 0.1739) where Ncalc=Dmeas*KC+1

Calculated Properties of Hematophanite

Electron Density:

r_electron=6.79 gm/cc
note: r_{Hematophanite}=8.09 gm/cc.

Fermion Index

Fermion Index = 0.16299
Boson Index = 0.83701

Photoelectric:

PE_{Hematophanite}=1,327.67 barns/electron
U=PE_{Hematophanite} x r_electron=9,016.64 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hematophanite is Not Radioactive

Hematophanite Classification

Dana Class:

7.11.4.1 (7)Multiple Oxides

(7.11)as titano-oxides with [4] and [6] substitutions

(7.11.4)Dana Group

7.11.4.1 Hematophanite Pb4Fe3O8(OH,Cl) P 4mm 4mm

Strunz Class:

III/D.12-70 III - Halogenides

III/D - Oxi-halogenides with Pb - Bi - Sb and related compounds

III/D.12 - Boleite - Yedlinite series

III/D.12-10 Boleite KPb26Ag9Cu24Cl62(OH)48 P m3m 4/m 3 2/m

III/D.12-20 Pseudoboleite Pb5Cu4Cl10(OH)8·2(H2O) I 4/mmm 4/m 2/m 2/m

III/D.12-40 Cumengite Pb21Cu20Cl42(OH)40 I 4/mmm 4/m 2/m 2/m

III/D.12-50 Diaboleite Pb2CuCl2(OH)4 P 4mm 4mm

III/D.12-60 Chloroxiphite Pb3CuCl2(OH)2O2 P 2₁/m 2/m

III/D.12-70 Hematophanite Pb4Fe3O8(OH,Cl) P 4mm 4mm

III/D.12-80 Bideauxite Pb2AgCl3(F,OH)2 F d3m 4/m 3 2/m

III/D.12-90 Yedlinite Pb6CrCl6(O,OH)8 R 3 3

Other Hematophanite Information

References:

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

See Also:

Links to other databases for Hematophanite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Hematophanite

Pb4Fe+++3O8(OH,Cl)
Dana No: 7.11.4.1 Strunz No: III/D.12-70
Locality:

Notes: