General Shandite Information Chemical Formula: |
Pb2Ni3S2 |
Composition: |
Molecular Weight = 654.60 gm |
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Nickel 26.90 % Ni |
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Lead 63.31 % Pb |
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Sulfur 9.80 % S |
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______ |
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100.00 % |
Empirical Formula: |
Pb2Ni3S2 |
Environment: |
In serpentine. |
IMA Status: |
Valid Species (Pre-IMA) 1950 |
Locality: |
Trial Harbour, Tasmania, Australia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Samuel James Shand (1882-1957), Scottish petrologist, Columbia University, New York City, New York, USA. |
Name Pronunciation: |
Shandite |
Synonym: |
ICSD 24176 |
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PDF 26-1287 |
| | Shandite Image
Images:
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Shandite Crystallography Axial Ratios: |
a:c = 1:2.44941 |
Cell Dimensions: |
a = 5.565, c = 13.631, Z = 3; V = 365.59 Den(Calc)= 8.92 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.788(1), 3.943(0.7), 2.276(0.65), |
Crystal Structure:
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Mouse
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| Physical Properties of Shandite Cleavage: |
{1011} Perfect, {1011} Perfect, {1011} Perfect |
Color: |
Brass yellow. |
Density: |
8.72 |
Diaphaneity: |
Opaque |
Habit: |
Inclusions - Generally found as inclusions in other minerals. |
Hardness: |
4 - Fluorite |
Luster: |
Metallic |
| Optical Properties of Shandite RL Anisotrophism: |
Strong, in gray-blue and yellow brown. |
RL Color: |
Cream-white. |
RL Pleochroism: |
Distinct. |
| Calculated Properties of Shandite Electron Density: |
Bulk Density (Electron Density)=7.63 gm/cc |
note: Specific Gravity of Shandite =8.92 gm/cc. Fermion Index: |
Fermion Index = 0.14 |
Boson Index = 0.86 Photoelectric: |
PEShandite =1,148.72 barns/electron |
U=PEShandite x rElectron Density=8,765.73 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Shandite is Not Radioactive | Shandite Classification Dana Class: |
02.03.05.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.03)where Am Bn Xp, with (m+n):p=5:2 |
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(02.03.05)Shandite Group |
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Strunz Class: |
02.BE.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BE -With Pb(Bi) |
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| Other Shandite Information References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Shandite : |
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 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Shandite using: Visit our Advertisers for Shandite : A Bijoux Google Search for ShanditeAdam's Minerals Google Search for Shandite Cape Minerals Google Search for Shandite Dakota Matrix Minerals Google Search for Shandite Excalibur Mineral Corp. Google Search for Shandite Exceptional Minerals Google Search for Shandite John Betts Fine Minerals Search for Shandite McDougall Minerals Google Search for Shandite Mineral News Website Link Rock and Mineral Shows Google Search for Shandite Weinrich Minerals, Inc. Google Search for Shandite Ask about Shandite here : Print or Cut-and-Paste your Shandite Specimen Label here :
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