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Shandite Mineral Data
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General Shandite Information
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 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 |
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Shandite Image |
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Images:
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Shandite
Comments: Bright silver metallic shandite blebs in serpentinite, chonchoidal fracture.
Location: Nickel Reward mine, Tasmania, Australia.
Scale: See Image.
© Rruff Database |
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Shandite Crystallography
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| 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 Scalenohedral H-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), |
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Physical Properties of Shandite
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| 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 |
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Optical Properties of Shandite
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| RL Anisotrophism: |
Strong, in gray-blue and yellow brown. |
| RL Color: |
Cream-white. |
| RL Pleochroism: |
Distinct. |
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Calculated Properties of Shandite
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| Electron Density: |
Bulk Density (Electron Density)=7.63 gm/cc
note: Specific Gravity of Shandite =8.92 gm/cc.
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| 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.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Shandite is Not Radioactive |
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Shandite Classification
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| 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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02.03.05.01 Shandite Pb2Ni3S2 R 3m 3 2/m |
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02.03.05.02 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m |
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02.03.05.03 Pasavaite! Pd3Pb2Te2 Pmmn 2/m 2/m 2/m |
| 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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02.BE.15 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m |
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02.BE.15 Shandite Pb2Ni3S2 R 3m 3 2/m |
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Other Shandite Information
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| 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
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Shandite
Pb2Ni3S2
Dana No: 02.03.05.01 Strunz No: 02.BE.15
Locality:
Notes:
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