Shandite Mineral Data

Shandite Mineral Data
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General Shandite Information

Help on Chemical Formula: Chemical Formula: Pb2Ni3S2
Help on Composition: Composition: Molecular Weight = 654.60 gm
   Nickel  26.90 %  Ni
   Lead    63.31 %  Pb
   Sulfur   9.80 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Pb2Ni3S2
Help on Environment: Environment: In serpentine.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1950
Help on Locality: Locality: Trial Harbour, Tasmania, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Samuel James Shand (1882-1957), Scottish petrologist, Columbia University, New York City, New York, USA.
Help on Name Pronunciation: Name Pronunciation: Shandite Say SHANDITE
Help on Synonym: Synonym: ICSD 24176
  PDF 26-1287
 

Shandite Image

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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

Shandite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.44941
Help on Cell Dimensions: Cell Dimensions: a = 5.565, c = 13.631, Z = 3; V = 365.59 Den(Calc)= 8.92
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.788(1), 3.943(0.7), 2.276(0.65),
Click Here for Large Shandite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
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B - Bonds On/Off
 Help on Above


Peacock M A , McAndrew J , American Mineralogist , 35 (1950) p.425-439, On parkerite and shandite and the crystal structure of Ni3Pb2S2

 

Physical Properties of Shandite

Help on Cleavage: Cleavage: {1011} Perfect, {1011} Perfect, {1011} Perfect
Help on Color: Color: Brass yellow.
Help on Density: Density: 8.72
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Shandite

Help on RL Anisotrophism: RL Anisotrophism: Strong, in gray-blue and yellow brown.
Help on RL Color: RL Color: Cream-white.
Help on RL Pleochroism: RL Pleochroism: Distinct.
 

Calculated Properties of Shandite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.63 gm/cc
note: Specific Gravity of Shandite =8.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PEShandite =1,148.72 barns/electron
U=PEShandite x rElectron Density=8,765.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Shandite is Not Radioactive
 

Shandite Classification
Help on Dana Class: Dana Class: 02.03.05.01 (02)Sulfides - Including Selenides and Tellurides
  (02.03)where Am Bn Xp, with (m+n):p=5:2
  (02.03.05)Shandite Group
 
02.03.05.01 Shandite Pb2Ni3S2 R 3m 3 2/m
 
02.03.05.02 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m
 
02.03.05.03 Pasavaite! Pd3Pb2Te2 Pmmn 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.BE.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BE -With Pb(Bi)
 
02.BE.15 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m
 
02.BE.15 Shandite Pb2Ni3S2 R 3m 3 2/m
 

Other Shandite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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: