Cannizzarite Mineral Data

Cannizzarite Mineral Data
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General Cannizzarite Information

Help on Chemical Formula: Chemical Formula: Pb4Bi6S13
Help on Composition: Composition: Molecular Weight = 2,499.54 gm
   Bismuth  50.16 %  Bi
   Lead     33.16 %  Pb
   Sulfur   16.68 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb4Bi6S13
Help on Environment: Environment: Associated with deep fumarolic activity.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1925
Help on Locality: Locality: From Vulcano, in the Lipari Islands, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Stanislao Cannizzaro (1826-1910), celebrated chemist, University of Rome, Italy.
Help on Synonym: Synonym: ICSD 49716
  PDF 9-357
 

Cannizzarite Image

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Cannizzarite

Comments: Very delicate 2 mm. crystals of dark gray cannizzarite on matrix.
Location: Kudryaviy Volcano, Iturup Island, Kurilian Island Chain, Russia. Scale: 3.8x3x2.4 cm.
© Richard Dale / Dale Minerals

Cannizzarite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8428:1:3.1591
Help on Cell Dimensions: Cell Dimensions: a = 4.13, b = 4.9, c = 15.48, Z = 0.5; beta = 98.56° V = 309.78 Den(Calc)= 6.70
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.82(1), 2.68(0.6), 3.01(0.6),
 

Physical Properties of Cannizzarite

Help on Color: Color: Light gray, Silver gray.
Help on Density: Density: 6.7
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Felted - Occurs as minute crystalling aggregates with the form of felt material.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
 

Optical Properties of Cannizzarite

Help on RL Anisotrophism: RL Anisotrophism: Strong, from blue to gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cannizzarite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   49.20   51.30 
   
 420 nm   49.80   52.40 
 440 nm   50.40   53.50 
 460 nm   50.70   53.70 
 480 nm   50.60   53.30 
 500 nm   50.20   52.80 
 520 nm   49.70   52.20 
 540 nm   49.20   51.60 
 560 nm   48.60   51.00 
 580 nm   48.20   50.40 
 600 nm   47.80   50.00 
 620 nm   47.50   49.50 
 640 nm   47.30   49.20 
 660 nm   47.20   49.00 
 680 nm   47.20   49.00 
 700 nm   47.20   49.20 
Calculated Relative Intensity Colors of Cannizzarite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R1                      
R2                      
 

Calculated Properties of Cannizzarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.54 gm/cc
note: Specific Gravity of Cannizzarite =6.70 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PECannizzarite =1,592.03 barns/electron
U=PECannizzarite x rElectron Density=8,825.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cannizzarite is Not Radioactive
 

Cannizzarite Classification
Help on Dana Class: Dana Class: 03.06.05.01 (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
  (03.06.05)Dana Group
 
03.06.05.01 Cannizzarite Pb4Bi6S13 C 2/m 2/m
 
03.06.05.02 Wittite Pb3Bi4(S,Se)9 P 2/m 2/m
Help on Strunz Class: Strunz Class: 02.JB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.20 Cannizzarite Pb4Bi6S13 C 2/m 2/m
 
02.JB.20 Wittite Pb3Bi4(S,Se)9 P 2/m 2/m
 

Other Cannizzarite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Cannizzarite :
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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Ask about Cannizzarite here :
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Print or Cut-and-Paste your Cannizzarite Specimen Label here :

Cannizzarite

Pb4Bi6S13
Dana No: 03.06.05.01 Strunz No: 02.JB.20
Locality:

 

Notes: