Bismutostibiconite Mineral Data

General Bismutostibiconite Information

Chemical Formula:

Bi(Sb+++++,Fe+++)2O7

Composition:

Molecular Weight = 618.57 gm

Iron 4.51 % Fe 6.45 % Fe₂O₃

Bismuth 43.92 % Bi 48.96 % Bi₂O₃

Antimony 33.46 % Sb 44.45 % Sb₂O₅

Oxygen 18.11 % O

______ ______

100.00 % 99.87 % = TOTAL OXIDE

Empirical Formula:

Bi_1.3Sb_1.7Fe³⁺_0.5O₇

Environment:

Associated as an alteration product of stibnite and other bismuth minerals

IMA Status:

Approved IMA 1983

Locality:

Clara mine, Black Forest, Germany. Link to MinDat.org Location Data.

Name Origin:

Named for its bismuth content and relationship to stibiconite.

Name Pronunciation:

Bismutostibiconite + Pronunciation

Bismutostibiconite Crystallography

Cell Dimensions:

a = 10.38, Z = 8; V = 1,118.39 Den(Calc)= 7.35

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), 1.833(0.7), 2.6(0.7),

Physical Properties of Bismutostibiconite

Cleavage:

None

Color:

Green, Greenish brown, Yellow, Yellow brown.

Density:

7.38

Diaphaneity:

Translucent to Opaque

Hardness:

4-5 - Fluorite-Apatite

Luster:

Earthy (Dull)

Optical Properties of Bismutostibiconite

Gladstone-Dale:

CI meas= 0.095 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.092 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1483,KPDmeas= 0.1477,KC= 0.1633
Ncalc = 2.2

Optical Data:

Isotropic, n=2.09.

Calculated Properties of Bismutostibiconite

Electron Density:

Bulk Density (Electron Density)=6.26 gm/cc
note: Specific Gravity of Bismutostibiconite =7.35 gm/cc.

Fermion Index:

Fermion Index = 0.0010443589
Boson Index = 0.9989556411

Photoelectric:

PE_{Bismutostibiconite}= 946.31 barns/electron
U=PE_{Bismutostibiconite} x rElectron Density=5,928.02 barns/cc.

Radioactivity:

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

Bismutostibiconite Classification

Dana Class:

44.01.01.06 (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 Bismutostibiconite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Bismutostibiconite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Bismutostibiconite

Bi(Sb+++++,Fe+++)2O7
Dana No: 44.01.01.06 Strunz No: 04.DH.20
Locality:

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