General Manganoshadlunite Information Chemical Formula: |
(Mn,Pb)(Cu,Fe)8S8 |
Composition: |
Molecular Weight = 842.50 gm |
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Manganese 4.89 % Mn |
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Iron 13.26 % Fe |
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Copper 45.26 % Cu |
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Lead 6.15 % Pb |
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Sulfur 30.45 % S |
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100.00 % |
Empirical Formula: |
Mn2+0.75Pb0.25Cu6Fe2+2S8 |
Environment: |
In Cu-Ni ores. |
IMA Status: |
Approved IMA 1990 |
Locality: |
Oktyaber and Mayak mines, Talnakh area, Noril'sk region, western Siberia, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Tatyana Shadlun, Russian ore mineralogist. |
Synonym: |
Manganese-shadlunite - Renamed as Manganoshadlunite by Mineralogical Record, v330 (2008), p131 |
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| | Manganoshadlunite Crystallography Cell Dimensions: |
a = 10.73, Z = 4; V = 1,235.38 Den(Calc)= 4.53 |
Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m |
X Ray Diffraction: |
By Intensity(I/Io): 3.23(1), 1.894(0.9), 1.097(0.4), |
| Physical Properties of Manganoshadlunite Color: |
Yellow. |
Density: |
4.44 |
Diaphaneity: |
Opaque |
Hardness: |
4 - Fluorite |
Luster: |
Metallic |
| Optical Properties of Manganoshadlunite RL Anisotrophism: |
Weak. |
RL Color: |
Grayish yellow, darker than cubanite. |
RL Pleochroism: |
Weak. |
Reflectivity |
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| Calculated Properties of Manganoshadlunite Electron Density: |
Bulk Density (Electron Density)=4.23 gm/cc |
note: Specific Gravity of Manganoshadlunite =4.53 gm/cc. Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEManganoshadlunite = 128.59 barns/electron |
U=PEManganoshadlunite x rElectron Density= 543.81 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Manganoshadlunite is Not Radioactive | Manganoshadlunite Classification Dana Class: |
02.07.01.05 (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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(02.07.01)Pentalndite Group (Isometric: Fm3m) |
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Strunz Class: |
02.BB.15a 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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| Other Manganoshadlunite Information References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Manganoshadlunite : |
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 Search for Manganoshadlunite using: Visit our Advertisers for Manganoshadlunite : A Bijoux Google Search for ManganoshadluniteAdam's Minerals Google Search for Manganoshadlunite Cape Minerals Google Search for Manganoshadlunite Dakota Matrix Minerals Google Search for Manganoshadlunite Excalibur Mineral Corp. Google Search for Manganoshadlunite Exceptional Minerals Google Search for Manganoshadlunite John Betts Fine Minerals Search for Manganoshadlunite McDougall Minerals Google Search for Manganoshadlunite Mineral News Website Link Rock and Mineral Shows Google Search for Manganoshadlunite Weinrich Minerals, Inc. Google Search for Manganoshadlunite Ask about Manganoshadlunite here : Print or Cut-and-Paste your Manganoshadlunite Specimen Label here :
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