Mineralogy Database

Clerite Mineral Data

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General Clerite Information

Help on Chemical  Formula: Chemical Formula: MnSb2S4
Help on Composition: Composition: Molecular Weight = 426.70 gm
   Manganese  12.88 %  Mn
   Antimony   57.07 %  Sb
   Sulfur     30.06 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Mn2+Sb2S4
Help on Environment: Environment: In pyrite-realgar ore.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: The Vorontsovskoye gold deposit in the Ural Mountains near Serov about 300 km north of Ekaterinburg, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Onisim Yegorovitch Kler (1845-1920), Honorary Member of the Russian Mineralogical Society.
Help on Synonym: Synonym: ICSD 79676
  IMA1995-029
  PDF 83-580
 

Clerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7987:1:0.2653
Help on Cell Dimensions: Cell Dimensions: a = 11.47, b = 14.36, c = 3.81, Z = 4; V = 627.54 Den(Calc)= 4.52
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.65(1), 3.69(0.9), 2.9(0.8),
 

Physical Properties of Clerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Density: Density: 4.93 - 4.39, Average = 4.66
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: brown
 

Optical Properties of Clerite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Bireflectance: RL Bireflectance: Distinct.
Help on RL Color: RL Color: Light gray.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Clerite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   35.00   24.00 
   
 546 nm   36.10   23.90 
 589 nm   36.90   24.90 
 650 nm   35.60   25.70 
Calculated Relative Intensity Colors of Clerite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 370%
R1                        
R2                        
 

Calculated Properties of Clerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.05 gm/cc
note: Specific Gravity of Clerite =4.52 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0022544537
Boson Index = 0.9977455463
Help on Photoelectric: Photoelectric: PEClerite = 192.73 barns/electron
U=PEClerite x rElectron Density= 779.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clerite is Not Radioactive
 

Clerite Classification

Help on  Dana Class: Dana Class: 03.07.09.05 (03)Sulfides - Sulfosalts
  (03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.09)Galenobismutite Group
 
03.07.09.01 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m
 
03.07.09.02 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono
 
03.07.09.03 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m
 
03.07.09.04 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m
 
03.07.09.05 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.HA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HA -With Cu, Ag, Fe (without Pb)
 
02.HA.20 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m
 
02.HA.20 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m
 
02.HA.20 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m
 

Other Clerite Information

Help on References: References: NAME( AmMin, Vol. 28, No 3) PHYS. PROP.(Eur. J. Min.,Vol.8,1996) OPTIC PROP.(MinRec, v 28, p 220)
Help on See Also: See Also: Links to other databases for Clerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Clerite

MnSb2S4
Dana No: 03.07.09.05 Strunz No: 02.HA.20
Locality:

 

Notes:

 

 
   
 


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