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Rudashevskyite Mineral Data
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General Rudashevskyite Information
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 Chemical Formula: |
(Fe,Zn)S |
| Composition: |
Molecular Weight = 91.85 gm |
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Manganese 2.39 % Mn |
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Zinc 24.92 % Zn |
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Iron 37.09 % Fe |
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Copper 0.69 % Cu |
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Sulfur 34.91 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Fe2+0.61Zn0.35Mn2+0.04Cu0.01S |
| Environment: |
Accessory phase in an enstatite chondrite, EH4. Fe-dominent member of Sphalerite group. |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Indarch meteorite, Shusha, Nagorno-Karabakh, Azerbaijan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Nickolay S. Rudashevsky (1944-), St. Petersburg, Russia, for his contributions to study of ore minerals. |
| Synonym: |
IMA2005-017 |
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Rudashevskyite Image |
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Images:
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Rudashevskyite
Comments: B&W reflected light image of rudashevskyite (Rud) attached to large schreibersite grain (Schr), associated with troilite (Tr), idiomorphic roedderite tablets (Roed), and clinoenstatite (Px) (AmMin, v93:903).
Location: Indarch meteorite, Shusha, Nagorno-Karabakh, Azerbaijan.
Scale: See Image.
© American Mineralogist |
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Rudashevskyite Crystallography
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| Cell Dimensions: |
a = 5.426, Z = 6; V = 159.75 Den(Calc)= 5.73 |
| Crystal System: |
Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.13(1), 1.919(0.5), 1.634(0.4),1.045(0.3), 1.107(0.3), 1.246(0.3), 2.714(0.1), |
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Physical Properties of Rudashevskyite
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| Cleavage: |
Unknown, Unknown, Unknown |
| Color: |
Black. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
| Hardness: |
4 - Fluorite |
| Luster: |
Resinous - Metallic |
| Streak: |
brownish black |
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Optical Properties of Rudashevskyite
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| RL Anisotrophism: |
None. |
| RL Bireflectance: |
Isotropic. |
| RL Color: |
Gray with distinct brownish tints. |
| RL Pleochroism: |
None. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Rudashevskyite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
19.50 |
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| 420 nm |
19.50 |
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| 440 nm |
19.50 |
 |
| 460 nm |
19.50 |
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| 470 nm |
19.60 |
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| 480 nm |
19.60 |
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| 500 nm |
19.80 |
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| 520 nm |
19.90 |
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| 540 nm |
20.20 |
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| 546 nm |
20.30 |
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| 560 nm |
20.50 |
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| 580 nm |
20.70 |
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| 589 nm |
20.80 |
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| 600 nm |
20.90 |
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| 620 nm |
20.90 |
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| 640 nm |
21.10 |
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| 650 nm |
21.10 |
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| 660 nm |
21.10 |
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| 680 nm |
21.10 |
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| 700 nm |
21.20 |
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Calculated Relative Intensity Colors of Rudashevskyite in Air
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
450% |
| R |
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Calculated Properties of Rudashevskyite
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| Electron Density: |
Bulk Density (Electron Density)=5.45 gm/cc
note: Specific Gravity of Rudashevskyite =5.73 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PERudashevskyite = 26.68 barns/electron
U=PERudashevskyite x rElectron Density= 145.28 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rudashevskyite is Not Radioactive |
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Rudashevskyite Classification
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| Dana Class: |
02.08.02.07 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.02)Sphalerite Group (Isometric: F4-3m) |
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02.08.02.01 Sphalerite (Zn,Fe)S F43m 4 3m |
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02.08.02.02 Stilleite ZnSe F43m 4 3m |
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02.08.02.03 Metacinnabar HgS F43m 4 3m |
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02.08.02.04 Tiemannite HgSe F43m 4 3m |
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02.08.02.05 Coloradoite HgTe F43m 4 3m |
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02.08.02.06 Hawleyite CdS F43m 4 3m |
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02.08.02.07 Rudashevskyite! (Fe,Zn)S F43m 4 3m |
| Strunz Class: |
02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CB -With Zn, Fe, Cu, Ag, Au, etc |
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02.CB.05a Hawleyite CdS F43m 4 3m |
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02.CB.05a Coloradoite HgTe F43m 4 3m |
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02.CB.05a Metacinnabar HgS F43m 4 3m |
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02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m |
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02.CB.05a Tiemannite HgSe F43m 4 3m |
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02.CB.05a Stilleite ZnSe F43m 4 3m |
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02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m |
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Other Rudashevskyite Information
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| References: |
NAME( AmMin, v93:902) PHYS. PROP.(AmMin, v93:902) OPTIC PROP.(AmMin, v93:902) |
| See Also: |
Links to other databases for Rudashevskyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Rudashevskyite
(Fe,Zn)S
Dana No: 02.08.02.07 Strunz No: 02.CB.05a
Locality:
Notes:
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