Mozgovaite Mineral Data

Mozgovaite Mineral Data
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General Mozgovaite Information

Help on Chemical Formula: Chemical Formula: PbBi4(S,Se)7
Help on Composition: Composition: Molecular Weight = 1,279.31 gm
   Bismuth   65.34 %  Bi
   Lead      16.20 %  Pb
   Selenium   1.54 %  Se
   Sulfur    16.92 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PbBi4S6.75Se0.25
Help on Environment: Environment: High-temperature (>600 deg C) fumarolic product.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: La Fossa crater, Isle Vulcano, Aeolian Islands, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Russian mineralogist Nadezhda N. Mozgova (1931-).
Help on Synonym: Synonym: IMA1998-060
 

Mozgovaite Image

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Mozgovaite

Comments: B&W image of a polished section.The black matrix is epoxy. The black spots on the crystal are the trace of microhardness indenter.
Location: Fumarole in La Fossa crater on Vulcano, Aeolian Islands, Italy. (CanMin v37:1499). Scale: Crystal Length 165 µm.
© Canadian Mineralogist

Mozgovaite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.3524:1:0.1082
Help on Cell Dimensions: Cell Dimensions: a = 13.18, b = 37.4, c = 4.05, Z = 6; V = 1,996.37 Den(Calc)= 6.38
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bbmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.8(1)(280,121), 2.34(0.4)(0.16.0), 2.95(0.4)(321),3.58(0.3)(141), 3.3(0.3)(400), 3.4(0.2)(151), 3.11(0.2)(430), 1.917(0.2), 2.81(0.2)(191,470),
 

Physical Properties of Mozgovaite

Help on Color: Color: Silver gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 2.5-3.5 - Finger Nail-Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: gray
 

Optical Properties of Mozgovaite

Help on RL Anisotrophism: RL Anisotrophism: Strong, without color effects.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Mozgovaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 440 nm   40.10   36.00 
   
 460 nm   40.20   35.80 
 540 nm   40.60   35.30 
 560 nm   40.60   35.10 
 580 nm   40.60   35.00 
 600 nm   40.30   35.00 
 640 nm   40.10   34.80 
 660 nm   40.10   34.90 
Calculated Relative Intensity Colors of Mozgovaite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 260%
R1                      
R2                      
 

Calculated Properties of Mozgovaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.29 gm/cc
note: Specific Gravity of Mozgovaite =6.38 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEMozgovaite =1,570.05 barns/electron
U=PEMozgovaite x rElectron Density=8,307.59 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mozgovaite is Not Radioactive
 

Mozgovaite Classification
Help on Dana Class: Dana Class: 03.03.03.02 (03)Sulfides - Sulfosalts
  (03.03)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.03.03)Dana Group
 
03.03.03.01 Heyrovskyite Pb10AgBi5S18 C mcm 2/m 2/m 2/m
 
03.03.03.02 Mozgovaite! PbBi4(S,Se)7 Bbmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.JA.05h 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JA -Galena derivatives with little or no Pb
 
02.JA.05h Mozgovaite! PbBi4(S,Se)7 Bbmm 2/m 2/m 2/m
 

Other Mozgovaite Information
Help on References: References: NAME( AmMin, Vol 85, p 1562) PHYS. PROP.(AmMin, Vol 85, p 1562) OPTIC PROP.(AmMin, Vol 85, p 1562)
Help on See Also: See Also: Links to other databases for Mozgovaite :
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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Ask about Mozgovaite here :
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Print or Cut-and-Paste your Mozgovaite Specimen Label here :

Mozgovaite

PbBi4(S,Se)7
Dana No: 03.03.03.02 Strunz No: 02.JA.05h
Locality:

 

Notes: