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Cylindrite Mineral Data

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General Cylindrite Information

Help on Chemical  Formula: Chemical Formula: Pb3Sn4FeSb2S14
Help on Composition: Composition: Molecular Weight = 1,844.71 gm
   Iron       3.03 %  Fe
   Tin       25.74 %  Sn
   Antimony  13.20 %  Sb
   Lead      33.70 %  Pb
   Sulfur    24.34 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb3Sn4Fe2+Sb2S14
Help on Environment: Environment: In tin-bearing hydrothermal veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1893
Help on Locality: Locality: Poopo, in Oruro, Boliva. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, kylindros, "cylinder."
 

Cylindrite Image

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  Cylindrite

Comments: Cylindrical crystals of cylindrite in granular tin sulfide ore.
Location: Montserrat Mine, Poopo, Oruro, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cylindrite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.0264:1:1.0017
Help on Cell Dimensions: Cell Dimensions: a = 11.733, b = 5.79, c = 5.8, Z = 0.6666; alpha = 90°, beta = 92.38°, gamma = 93.87° V = 392.78 Den(Calc)= 5.20
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.88(1), 3.85(1), 5.73(0.5),
 

Physical Properties of Cylindrite

Help on Cleavage: Cleavage: None
Help on Color: Color: Lead gray, Grayish black.
Help on Density: Density: 5.4 - 5.42, Average = 5.41
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Cylindrical - Shaped like a cylinder.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Cylindrite

Help on RL Anisotrophism: RL Anisotrophism: Distinct, gray to pale yellowish or brownish gray.
Help on RL Color: RL Color: Galena white.
Help on RL Pleochroism: RL Pleochroism: Exceptionally weak in air, stronger in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cylindrite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   33.80   38.00 
   
 420 nm   33.80   38.00 
 440 nm   33.80   37.90 
 460 nm   33.70   37.80 
 480 nm   33.40   37.40 
 500 nm   33.00   37.00 
 520 nm   32.60   36.40 
 540 nm   32.00   36.40 
 560 nm   31.50   35.90 
 580 nm   31.00   35.40 
 600 nm   30.60   35.00 
 620 nm   30.30   34.70 
 640 nm   29.90   34.40 
 660 nm   29.60   34.20 
 680 nm   29.30   34.00 
 700 nm   29.00   33.80 
Calculated Relative Intensity Colors of Cylindrite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 290%
R1                        
R2                        
 

Calculated Properties of Cylindrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.50 gm/cc
note: Specific Gravity of Cylindrite =5.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PECylindrite = 727.14 barns/electron
U=PECylindrite x rElectron Density=3,271.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cylindrite is Not Radioactive
 

Cylindrite Classification

Help on  Dana Class: Dana Class: 03.01.04.01 (03)Sulfides - Sulfosalts
  (03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.01.04)Cylindrite Group
 
03.01.04.01 Cylindrite Pb3Sn4FeSb2S14 P1 1
 
03.01.04.02 Franckeite (Pb,Sn)6FeSn2Sb2S14 P1 1
 
03.01.04.03 Incaite Pb4Sn4FeSb2S15 P1 ? 1
 
03.01.04.04 Potosiite Pb6Sn2FeSb2S14 P 1 ? 1
 
03.01.04.05 Abramovite! Pb2SnInBiS7 P1 1
 
03.01.04.06 Coiraite! (Pb,Sn)12.5As3Sn5FeS28 Unk Mono
Help on  Strunz Class: Strunz Class: 02.HF.25a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HF -With SnS and PbS archetype structure units
 
02.HF.25a Cylindrite Pb3Sn4FeSb2S14 P1 1
 
02.HF.25a Levyclaudite Pb8Sn7Cu3(Bi,Sb)3S28 A2 ? 2
 
02.HF.25a Abramovite! Pb2SnInBiS7 P1 1
 

Other Cylindrite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Cylindrite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - theimage

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Cylindrite

Pb3Sn4FeSb2S14
Dana No: 03.01.04.01 Strunz No: 02.HF.25a
Locality:

 

Notes:

 

 
   
 


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