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Manganoshadlunite Mineral Data
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General Manganoshadlunite Information
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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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______ |
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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
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Cell Dimensions: |
a = 10.73, Z = 4; V = 1,235.38 Den(Calc)= 4.53 |
Crystal System: |
Isometric - Hexoctahedral H-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), |
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Physical Properties of Manganoshadlunite
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Color: |
Yellow. |
Density: |
4.44 |
Diaphaneity: |
Opaque |
Hardness: |
4 - Fluorite |
Luster: |
Metallic |
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Optical Properties of Manganoshadlunite
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RL Anisotrophism: |
Weak. |
RL Color: |
Grayish yellow, darker than cubanite. |
RL Pleochroism: |
Weak. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Manganoshadlunite in Air
λ |
R |
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∑ R(λ) |
440 nm |
21.20 |
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460 nm |
22.70 |
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480 nm |
24.70 |
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500 nm |
26.50 |
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520 nm |
27.90 |
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540 nm |
29.00 |
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560 nm |
29.90 |
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580 nm |
30.80 |
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600 nm |
31.20 |
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620 nm |
32.30 |
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640 nm |
32.90 |
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660 nm |
33.80 |
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680 nm |
34.50 |
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700 nm |
34.60 |
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Calculated Relative Intensity Colors of Manganoshadlunite in Air
Relative Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
360% |
380% |
R |
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Calculated Properties of Manganoshadlunite
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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 |
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Manganoshadlunite Classification
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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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02.07.01.01 Pentlandite (Fe,Ni)9S8 F m3m 4/m 3 2/m |
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02.07.01.02 Argentopentlandite Ag(Fe,Ni)8S8 F m3m 4/m 3 2/m |
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02.07.01.03 Cobaltpentlandite Co9S8 F m3m 4/m 3 2/m |
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02.07.01.04 Shadlunite (Pb,Cd)(Fe,Cu)8S8 F m3m 4/m 3 2/m |
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02.07.01.05 Manganoshadlunite (Mn,Pb)(Cu,Fe)8S8 F m3m 4/m 3 2/m |
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02.07.01.06 Geffroyite (Ag,Cu,Fe)9(Se,S)8 F m3m 4/m 3 2/m |
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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02.BB.15a Argentopentlandite Ag(Fe,Ni)8S8 F m3m 4/m 3 2/m |
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02.BB.15a Cobaltpentlandite Co9S8 F m3m 4/m 3 2/m |
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02.BB.15a Geffroyite (Ag,Cu,Fe)9(Se,S)8 F m3m 4/m 3 2/m |
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02.BB.15a Manganoshadlunite (Mn,Pb)(Cu,Fe)8S8 F m3m 4/m 3 2/m |
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02.BB.15a Pentlandite (Fe,Ni)9S8 F m3m 4/m 3 2/m |
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02.BB.15a Shadlunite (Pb,Cd)(Fe,Cu)8S8 F m3m 4/m 3 2/m |
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Other Manganoshadlunite Information
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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
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Print or Cut-and-Paste your Manganoshadlunite Specimen Label here :
Manganoshadlunite
(Mn,Pb)(Cu,Fe)8S8
Dana No: 02.07.01.05 Strunz No: 02.BB.15a
Locality:
Notes:
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