Mineralogy Database

Sorbyite Mineral Data

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General Sorbyite Information

Help on Chemical  Formula: Chemical Formula: Pb19(Sb,As)20S49
Help on Composition: Composition: Molecular Weight = 5,737.49 gm
   Antimony   3.61 %  Sb
   Arsenic    0.39 %  As
   Lead      68.62 %  Pb
   Sulfur    27.39 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb19Sb1.7As0.3S49
Help on Environment: Environment: Hydrothermal origin, in marble or limestone, replacing pyrite and sphalerite with other Pb-As.Sb sulfides.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: In Canada, from near Madoc, Ontario. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Henry Clifton Sorby (1826-1908), English chemist and the founder of metallography.
Help on Name Pronunciation: Name Pronunciation: Sorbyite Say SORBYITE
Help on Synonym: Synonym: IMA1966-031
 

Sorbyite Image

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  Sorbyite

Comments: Gray metallic sorbyite stringers in white quartz.
Location: Candelaria, Mineral County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sorbyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =5.445:1:3.1994
Help on Cell Dimensions: Cell Dimensions: a = 45.15, b = 8.292, c = 26.53, Z = 5; beta = 113.417° V = 9,114.34 Den(Calc)= 5.23
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.44(1), 3.38(0.9), 4.13(0.6),
 

Physical Properties of Sorbyite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Lead gray, Black.
Help on Density: Density: 5.52
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: metallic
 

Optical Properties of Sorbyite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: Strong.
 

Calculated Properties of Sorbyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.45 gm/cc
note: Specific Gravity of Sorbyite =5.23 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PESorbyite =1,253.58 barns/electron
U=PESorbyite x rElectron Density=5,573.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sorbyite is Not Radioactive
 

Sorbyite Classification

Help on  Dana Class: Dana Class: 03.06.12.01 (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.12)Dana Group
 
03.06.12.01 Sorbyite Pb19(Sb,As)20S49 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.LB.60 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LB -With essential Pb
 
02.LB.60 Sorbyite Pb19(Sb,As)20S49 C 2/m 2/m
 

Other Sorbyite 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 Sorbyite :
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

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Print or Cut-and-Paste your Sorbyite Specimen Label here :

Sorbyite

Pb19(Sb,As)20S49
Dana No: 03.06.12.01 Strunz No: 02.LB.60
Locality:

 

Notes:

 

 
   
 


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