Godlevskite Mineral Data

Godlevskite Mineral Data
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General Godlevskite Information

Help on Chemical Formula: Chemical Formula: (Ni,Fe)9S8
Help on Composition: Composition: Molecular Weight = 781.90 gm
   Iron     7.14 %  Fe
   Nickel  60.05 %  Ni
   Sulfur  32.81 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Ni8Fe2+S8
Help on Environment: Environment: In hydrothermal veins, or in peridotite with other nickel sufides.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Zapolyarnyi mine, Norilsk, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mikhail N. Godlevsky (1902-1984), Russian economic geologist.
Help on Name Pronunciation: Name Pronunciation: Godlevskite + Pronunciation Say GODLEVSKITE
Help on Synonym: Synonym: ICSD 63080
  PDF 22-1193
 

Godlevskite Image

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Godlevskite

Comments: Brassy metallic godlevskite grains in quartz..
Location: Moapa, Clark Co., Nevada, USA. Scale: Specimen Size 2 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Godlevskite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.815:1:0.8396
Help on Cell Dimensions: Cell Dimensions: a = 9.18, b = 11.263, c = 9.457, Z = 4; V = 977.80 Den(Calc)= 5.31
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 222
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.85(1), 1.803(0.9), 1.795(0.8),
Click Here for Large Godlevskite Structure Window Crystal Structure:

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drag2 - RMB Resize/Rotate
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Fleet M E , Acta Crystallographica, Section C , 43 (1987) p.2255-2257, Structure of godlevskite, Ni9S8

 

Physical Properties of Godlevskite

Help on Color: Color: Bronze yellow.
Help on Density: Density: 5.27
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: gray
 

Optical Properties of Godlevskite

Help on RL Anisotrophism: RL Anisotrophism: Strong, from bluish to reddish.
Help on RL Color: RL Color: Pale yellow.
Help on RL Pleochroism: RL Pleochroism: Weak, pale cream to pinkish cream.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Godlevskite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   27.20   29.40 
   
 420 nm   32.60   36.00 
 440 nm   38.00   42.60 
 460 nm   42.20   46.30 
 480 nm   45.20   48.70 
 500 nm   47.80   50.30 
 520 nm   49.10   51.40 
 540 nm   50.50   52.20 
 560 nm   51.50   52.70 
 580 nm   52.40   53.00 
 600 nm   53.30   53.30 
 620 nm   54.20   53.70 
 640 nm   55.00   54.10 
 660 nm   55.80   54.70 
 680 nm   56.50   55.20 
 700 nm   57.20   55.80 
Calculated Relative Intensity Colors of Godlevskite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 230%
R1                    
R2                    
 

Calculated Properties of Godlevskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.13 gm/cc
note: Specific Gravity of Godlevskite =5.31 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEGodlevskite = 27.98 barns/electron
U=PEGodlevskite x rElectron Density= 143.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Godlevskite is Not Radioactive
 

Godlevskite Classification
Help on Dana Class: Dana Class: 02.07.04.01 (02)Sulfides - Including Selenides and Tellurides
  (02.07)where Am Bn Xp, with (m+n):p=9:8
  (02.07.04)Dana Group
 
02.07.04.01 Godlevskite (Ni,Fe)9S8 C 222 2 2 2
Help on Strunz Class: Strunz Class: 02.BB.15b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BB -With Ni, Fe
 
02.BB.15b Godlevskite (Ni,Fe)9S8 C 222 2 2 2
 

Other Godlevskite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Godlevskite :
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
15 - WWW-MINCRYST

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Ask about Godlevskite here :
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Print or Cut-and-Paste your Godlevskite Specimen Label here :

Godlevskite

(Ni,Fe)9S8
Dana No: 02.07.04.01 Strunz No: 02.BB.15b
Locality:

 

Notes: