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Godlevskite Mineral Data
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General Godlevskite Information
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 Chemical Formula: |
(Ni,Fe)9S8 |
| Composition: |
Molecular Weight = 781.90 gm |
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Iron 7.14 % Fe |
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Nickel 60.05 % Ni |
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Sulfur 32.81 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ni8Fe2+S8 |
| Environment: |
In hydrothermal veins, or in peridotite with other nickel sufides. |
| IMA Status: |
Approved IMA 1969 |
| Locality: |
Zapolyarnyi mine, Norilsk, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Mikhail N. Godlevsky (1902-1984), Russian economic geologist. |
| Name Pronunciation: |
Godlevskite + Pronunciation  |
| Synonym: |
ICSD 63080 |
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PDF 22-1193 |
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Godlevskite Image |
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Images:
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Godlevskite Crystallography
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| Axial Ratios: |
a:b:c =0.815:1:0.8396 |
| Cell Dimensions: |
a = 9.18, b = 11.263, c = 9.457, Z = 4; V = 977.80 Den(Calc)= 5.31 |
| Crystal System: |
Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: C 222 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.85(1), 1.803(0.9), 1.795(0.8), |
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Physical Properties of Godlevskite
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| Color: |
Bronze yellow. |
| Density: |
5.27 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4-5 - Fluorite-Apatite |
| Luster: |
Metallic |
| Streak: |
gray |
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Optical Properties of Godlevskite
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| RL Anisotrophism: |
Strong, from bluish to reddish. |
| RL Color: |
Pale yellow. |
| RL Pleochroism: |
Weak, pale cream to pinkish cream. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Godlevskite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
27.20 |
29.40 |
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| 420 nm |
32.60 |
36.00 |
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| 440 nm |
38.00 |
42.60 |
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| 460 nm |
42.20 |
46.30 |
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| 480 nm |
45.20 |
48.70 |
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| 500 nm |
47.80 |
50.30 |
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| 520 nm |
49.10 |
51.40 |
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| 540 nm |
50.50 |
52.20 |
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| 560 nm |
51.50 |
52.70 |
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| 580 nm |
52.40 |
53.00 |
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| 600 nm |
53.30 |
53.30 |
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| 620 nm |
54.20 |
53.70 |
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| 640 nm |
55.00 |
54.10 |
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| 660 nm |
55.80 |
54.70 |
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| 680 nm |
56.50 |
55.20 |
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| 700 nm |
57.20 |
55.80 |
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Calculated Relative Intensity Colors of Godlevskite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Properties of Godlevskite
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| Electron Density: |
Bulk Density (Electron Density)=5.13 gm/cc
note: Specific Gravity of Godlevskite =5.31 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEGodlevskite = 27.98 barns/electron
U=PEGodlevskite x rElectron Density= 143.65 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Godlevskite is Not Radioactive |
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Godlevskite Classification
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| Dana Class: |
02.07.04.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.07)where Am Bn Xp, with (m+n):p=9:8 |
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(02.07.04)Dana Group |
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02.07.04.01 Godlevskite (Ni,Fe)9S8 C 222 2 2 2 |
| Strunz Class: |
02.BB.15b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BB -With Ni, Fe |
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02.BB.15b Godlevskite (Ni,Fe)9S8 C 222 2 2 2 |
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Other Godlevskite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| 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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Print or Cut-and-Paste your Godlevskite Specimen Label here :
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Godlevskite
(Ni,Fe)9S8
Dana No: 02.07.04.01 Strunz No: 02.BB.15b
Locality:
Notes:
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