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Niningerite Mineral Data
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General Niningerite Information
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 Chemical Formula: |
(Mg,Fe++,Mn)S |
| Composition: |
Molecular Weight = 68.90 gm |
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Magnesium 21.17 % Mg |
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Manganese 7.97 % Mn |
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Iron 24.32 % Fe |
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Sulfur 46.54 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Mg0.6Fe2+0.3Mn2+0.1S |
| Environment: |
In less extensively metamorphosed enstatite chondrite meteorites intergrown with kamacite and troilite. |
| IMA Status: |
Approved IMA 1967 |
| Locality: |
In the Abee, Saint-Suveur, Adhi-Kot, Indarch, St. Marks, Qingzhen, and Kota-Kota enstatite chondrite meteorites. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Harvey Harlow Nininger (1887-1986), of Sedona Arizona, USA for his contributions to meteorite studies. |
| Name Pronunciation: |
Niningerite + Pronunciation  |
| Synonym: |
ICSD 30241 |
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PDF 35-730 |
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Niningerite Image |
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Images:
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Niningerite
Comments: PPL reflected light polished section showing light gray-brownish grains of troilite (Tr) with white niningerite (Nin) and dark silicates.
Location: Indarch meteorite, Shusha, Elizavetpol, Azerbaidshan.
Scale: Picture Size 0.28 mm.
© Thomas Witzke |
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Niningerite Crystallography
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| Cell Dimensions: |
a = 5.17, Z = 4; V = 138.19 Den(Calc)= 3.31 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.601(1), 1.8388(0.6), 1.501(0.16), |
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Physical Properties of Niningerite
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| Color: |
Gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Inclusions - Generally found as inclusions in other minerals. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luster: |
Metallic |
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Optical Properties of Niningerite
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| RL Color: |
Gray. |
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Calculated Properties of Niningerite
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| Electron Density: |
Bulk Density (Electron Density)=3.22 gm/cc
note: Specific Gravity of Niningerite =3.31 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PENiningerite = 12.23 barns/electron
U=PENiningerite x rElectron Density= 39.37 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Niningerite is Not Radioactive |
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Niningerite Classification
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| Dana Class: |
02.08.01.06 (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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(02.08.01)Galena Group (Isometric: Fm3m) |
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02.08.01.01 Galena PbS F m3m 4/m 3 2/m |
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02.08.01.02 Clausthalite PbSe F m3m 4/m 3 2/m |
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02.08.01.03 Altaite PbTe F m3m 4/m 3 2/m |
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02.08.01.04 Alabandite MnS F m3m 4/m 3 2/m |
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02.08.01.05 Oldhamite (Ca,Mg,Fe)S F m3m 4/m 3 2/m |
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02.08.01.06 Niningerite (Mg,Fe,Mn)S F m3m 4/m 3 2/m |
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02.08.01.07 Borovskite Pd3SbTe4 F m3m 4/m 3 2/m |
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02.08.01.08 Crerarite (Pt,Pb)Bi3(S,Se)4-x(x~0.7) F m3m 4/m 3 2/m |
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02.08.01.09 Keilite! (Fe,Mn,Mg,Ca,Cr)S F m3m 4/m 3 2/m |
| Strunz Class: |
02.CD.10 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.CD -With Sn, Pb, Hg, etc. |
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02.CD.10 Alabandite MnS F m3m 4/m 3 2/m |
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02.CD.10 Altaite PbTe F m3m 4/m 3 2/m |
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02.CD.10 Galena PbS F m3m 4/m 3 2/m |
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02.CD.10 Clausthalite PbSe F m3m 4/m 3 2/m |
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02.CD.10 Niningerite (Mg,Fe,Mn)S F m3m 4/m 3 2/m |
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02.CD.10 Oldhamite (Ca,Mg,Fe)S F m3m 4/m 3 2/m |
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02.CD.10 Keilite! (Fe,Mn,Mg,Ca,Cr)S F m3m 4/m 3 2/m |
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Other Niningerite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Niningerite :
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
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Niningerite
(Mg,Fe++,Mn)S
Dana No: 02.08.01.06 Strunz No: 02.CD.10
Locality:
Notes:
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