Mineralogy Database

Suredaite Mineral Data

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General Suredaite Information

Help on Chemical  Formula: Chemical Formula: PbSnS3
Help on Composition: Composition: Molecular Weight = 390.35 gm
   Silver    1.38 %  Ag
   Tin      30.41 %  Sn
   Arsenic   1.92 %  As
   Lead     42.46 %  Pb
   Sulfur   23.82 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb0.8Ag0.05SnAs0.1S2.9
Help on Environment: Environment: Stockwork mineralization in Ag-Sn mineral belt.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Oploca vein system in the SW corner of the Pirquitas Ag-Sn deposti, NW Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name honors R. J. Sureda Leston, head of the Department of Mineralogy end Economic Geology, University of Salta, Argentina.
Help on Synonym: Synonym: ICSD 89709
  IMA1997-043
  PDF 23-1168
 

Suredaite Image

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  Suredaite

Comments: Silvery metallic columnar suredaite in matrix.
Location: Pirquitas Mine, Jujuy, Argentina. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Suredaite

Comments: BSE image of a large zoned crystal of suredaite, chemically SU-3, surrounded (replaced) by SU-2. White is skeletal galena. (AmMin 85:1068).
Location: Pirquitas Ag-Sn deposit (Province Jujuy, NW-Argentina). Scale: See Image.
© American Mineralogist

Suredaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.3383:1:3.7127
Help on Cell Dimensions: Cell Dimensions: a = 8.8221, b = 3.7728, c = 14.0076, Z = 4; V = 466.23 Den(Calc)= 5.56
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.128(1)(103), 1.9335(0.54)(314), 2.6692(0.51),2.8081(0.51)(211), 2.7421(0.409)(204), 1.6316(0.389)(124), 3.73(0.3)(202), 3.1085(0.276)(112), 1.3754(0.265)(309),
 

Physical Properties of Suredaite

Help on Cleavage: Cleavage: {001} Perfect, {101} Perfect, {100} Perfect
Help on Color: Color: Grayish black.
Help on Density: Density: 5.54 - 5.88, Average = 5.71
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Suredaite

Help on Optical Data: Optical Data: NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.1116) where Ncalc=Dcalc*KC+1
NCalc= 1.64 - from Gladstone-Dale relationship (KC = 0.1116) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Rotation tints of metallic blue to mauve to brown.
Help on RL Bireflectance: RL Bireflectance: Not apparent.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: Not apparent.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Suredaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   35.60   37.90 
   
 420 nm   35.50   37.50 
 440 nm   35.00   36.90 
 460 nm   34.30   36.30 
 480 nm   33.60   35.60 
 500 nm   32.90   34.80 
 520 nm   32.20   33.90 
 540 nm   31.50   33.10 
 560 nm   30.80   32.30 
 580 nm   30.30   31.70 
 600 nm   29.70   31.10 
 620 nm   29.30   30.70 
 640 nm   29.00   30.20 
 660 nm   28.70   29.80 
 680 nm   28.40   29.40 
 700 nm   28.40   29.30 
Standardized Intensity (100%) Reflection Spectra of Suredaite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   21.30   22.40 
   
 420 nm   20.50   21.80 
 440 nm   19.80   21.20 
 460 nm   19.10   20.60 
 480 nm   18.50   19.90 
 500 nm   17.80   19.00 
 520 nm   17.20   18.40 
 540 nm   16.60   17.60 
 560 nm   16.10   17.00 
 580 nm   15.50   16.50 
 600 nm   15.20   16.00 
 620 nm   14.80   15.60 
 640 nm   14.50   15.20 
 660 nm   14.30   14.90 
 680 nm   14.00   14.60 
 700 nm   13.80   14.50 
Calculated Relative Intensity Colors of Suredaite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 300%
R1                    
R2                    
Calculated Relative Intensity Colors of Suredaite in Oil
Relative
Intensity
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 570%
R1                        
R2                        
 

Calculated Properties of Suredaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.78 gm/cc
note: Specific Gravity of Suredaite =5.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PESuredaite = 862.93 barns/electron
U=PESuredaite x rElectron Density=4,121.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Suredaite is Not Radioactive
 

Suredaite Classification

Help on  Dana Class: Dana Class: 02.04.21.01 (02)Sulfides - Including Selenides and Tellurides
  (02.04)where Am Bn Xp, with (m+n):p=2:1
  (02.04.21)Dana Group
 
02.04.21.01 Suredaite! PbSnS3 P nma 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.DB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DB -M:S = 2:3 and similar
 
02.DB.10 Suredaite! PbSnS3 P nma 2/m 2/m 2/m
 
02.DB.10 Ottemannite Sn2S3 Pnam 2/m 2/m 2/m
 

Other Suredaite Information

Help on References: References: NAME( AmMin, 85:1066) PHYS. PROP.(AmMin, 85:1066) OPTIC PROP.(AmMin, 85:1066)
Help on See Also: See Also: Links to other databases for Suredaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Suredaite

PbSnS3
Dana No: 02.04.21.01 Strunz No: 02.DB.10
Locality:

 

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