General Bismuth Information Chemical Formula: |
Bi |
Composition: |
Molecular Weight = 208.98 gm |
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Bismuth 100.00 % Bi |
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100.00 % |
Empirical Formula: |
Bi |
Environment: |
Hydrothermal ores of Co, Ni, Ag, and Sn. In pegmatites and topaz-bearing Sn-W veins. |
IMA Status: |
Valid Species (Pre-IMA) 1500 |
Locality: |
Schneeberg District, Erzgebirge, Saxony, Germany Link to MinDat.org Location Data. |
Name Origin: |
Probably from the Arabic bi ismid, meaning having the properties of antimony. |
Name Pronunciation: |
Bismuth |
Synonym: |
ICSD 64703 |
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PDF 5-519 |
| | Bismuth Image
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Bismuth Crystallography Axial Ratios: |
a:c = 1:2.60921 |
Cell Dimensions: |
a = 4.537, c = 11.838, Z = 6; V = 211.03 Den(Calc)= 9.87 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
X Ray Diffraction: |
By Intensity(I/Io): 3.28(1), 2.273(0.41), 2.39(0.4), |
Crystal Structure:
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Mouse
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| Physical Properties of Bismuth Cleavage: |
{0001} Perfect |
Color: |
Silver white, Pinkish white, Red. |
Density: |
9.7 - 9.8, Average = 9.75 |
Diaphaneity: |
Opaque |
Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Habit: |
Lamellar - Thin laminae producing a lamellar structure. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Hardness: |
2-2.5 - Gypsum-Finger Nail |
Luminescence: |
Non-fluorescent. |
Luster: |
Metallic |
Magnetism: |
Nonmagnetic |
Streak: |
silver white |
| Optical Properties of Bismuth RL Anisotrophism: |
Distinct. |
RL Color: |
White, brilliant creamy. |
RL Pleochroism: |
Feeble. |
Reflectivity |
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| Calculated Properties of Bismuth Electron Density: |
Bulk Density (Electron Density)=7.84 gm/cc |
note: Specific Gravity of Bismuth =9.87 gm/cc. Fermion Index: |
Fermion Index = 1E-6 |
Boson Index = 0.999999 Photoelectric: |
PEBismuth =2,025.91 barns/electron |
U=PEBismuth x rElectron Density=15883.30 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Bismuth is Not Radioactive | Bismuth Classification Dana Class: |
01.03.01.04 (01)Native Elements |
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(01.03)with semi-metallic and non-metallic elements |
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(01.03.01)Arsenic group |
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Strunz Class: |
01.CA.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.C - Metalloids and Nonmetals |
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01.CA -Arsenic group elements |
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| Other Bismuth Information References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Bismuth : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 - Athena 6 - EUROmin Project 7 - Ecole des Mines de Paris 8 - GeoScienceWorld 9 - Glendale Community College 10 - Google Images 11 - Google Scholar 12 - Handbook of Mineralogy (MinSocAm) 13 - Handbook of Mineralogy (UofA) 14 - MinDAT 15 - Mineral and Gemstone Kingdom 16 - Mineralienatlas (Deutsch) 17 - Online Mineral Museum 18 - QUT Mineral Atlas 19 - Ruff.Info 20 - Scandinavian mineral gallery 21 - WWW-MINCRYST Search for Bismuth using: Visit our Advertisers for Bismuth : A Bijoux Google Search for BismuthAdam's Minerals Google Search for Bismuth Cape Minerals Google Search for Bismuth Dakota Matrix Minerals Google Search for Bismuth Excalibur Mineral Corp. Google Search for Bismuth Exceptional Minerals Google Search for Bismuth John Betts Fine Minerals Search for Bismuth McDougall Minerals Google Search for Bismuth Mineral News Website Link Rock and Mineral Shows Google Search for Bismuth Weinrich Minerals, Inc. Google Search for Bismuth Ask about Bismuth here : Print or Cut-and-Paste your Bismuth Specimen Label here :
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