Bindheimite Mineral Data

General Bindheimite Information

Chemical Formula:

Pb2Sb2O6(O,OH)

Composition:

Molecular Weight = 770.15 gm

Antimony 31.62 % Sb 37.85 % Sb₂O₃

Hydrogen 0.03 % H 0.29 % H₂O

Lead 53.81 % Pb 57.96 % PbO

Oxygen 14.54 % O

______ ______

100.00 % 96.10 % = TOTAL OXIDE

Empirical Formula:

Pb₂Sb₂O_6.75(OH)_0.25

Environment:

Widespread oxidation product of lead-antimony sulfides.

IMA Status:

Valid Species (Pre-IMA) 1868

Locality:

Nerchinsk, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named after the German chemist, Johann J. Bindheim (1750-1825) who first analysed the mineral.

Name Pronunciation:

Bindheimite + Pronunciation

Synonym:

Belmontite = mixture with other minerals

ICSD 27120

PDF 42-1355

Bindheimite Image

Images:

Bindheimite

Comments: Yellow earthy bindheimite covering red, massive crocoite.
Location: Callenberg North (no. 1) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Bindheimite Crystallography

Cell Dimensions:

a = 10.41, Z = 6; V = 1,128.11 Den(Calc)= 6.80

Crystal System:

Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

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

By Intensity(I/I_o): 3.01(1), 1.85(0.25), 2.61(0.18),

Physical Properties of Bindheimite

Cleavage:

None

Color:

Yellow, Greenish yellow, Green, Brownish white, Grayish white.

Density:

4.6 - 7.3, Average = 5.94

Diaphaneity:

Translucent to Opaque

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Hardness:

4-5 - Fluorite-Apatite

Luminescence:

Non-fluorescent.

Luster:

Greasy (Oily)

Magnetism:

Nonmagnetic

Streak:

light greenish brown

Optical Properties of Bindheimite

Gladstone-Dale:

CI meas= 0.072 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.188 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1257,KPDmeas= 0.1437,KC= 0.1549
Ncalc = 1.71 - 2.13

Optical Data:

Isotropic, n=1.84-1.87.

Calculated Properties of Bindheimite

Electron Density:

Bulk Density (Electron Density)=4.98 gm/cc
note: Specific Gravity of Bindheimite =5.95 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Bindheimite=1,098.16 barns/electron
U=PE_Bindheimite x rElectron Density=5,468.02 barns/cc.

Radioactivity:

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

Bindheimite Classification

Dana Class:

44.01.01.02 (44)Antimonates

(44.01)(A)2 (X2 O6) (O,OH,F)

(44.01.01)Stibiconite Group

44.01.01.01 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

44.01.01.02 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.03 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

44.01.01.03a Lewisite? (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m

44.01.01.04 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

44.01.01.05 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.06 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

44.01.01.07 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

Strunz Class:

04.DH.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DH -With large (ï¿½ medium-sized) cations; sheets of edge-sharing octahedra

04.DH.20 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

04.DH.20 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

04.DH.20 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

04.DH.20 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

04.DH.20 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

Other Bindheimite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

See Also:

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

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Bindheimite

Pb2Sb2O6(O,OH)
Dana No: 44.01.01.02 Strunz No: 04.DH.20
Locality:

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