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Alabandite Mineral Data
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General Alabandite Information
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 Chemical Formula: |
MnS |
| Composition: |
Molecular Weight = 87.00 gm |
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Manganese 63.14 % Mn |
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Sulfur 36.86 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Mn2+S |
| Environment: |
Epithermal sulfide vein deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1842 |
| Locality: |
Turkey, Aydin, Alabanda Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality Alabanda, Turkey. |
| Name Pronunciation: |
Alabandite + Pronunciation  |
| Synonym: |
ICSD 41331 |
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Manganblende |
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PDF 6-518 |
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Alabandite Image |
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Images:
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Images:
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Alabandite Crystallography
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| Cell Dimensions: |
a = 5.214, Z = 4; V = 141.75 Den(Calc)= 4.08 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.612(1), 1.847(0.5), 1.509(0.2), |
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Physical Properties of Alabandite
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| Cleavage: |
{100} Perfect, {010} Perfect, {001} Perfect |
| Color: |
Black, Lead gray, Brownish gray. |
| Density: |
3.95 - 4.04, Average = 3.99 |
| Diaphaneity: |
Opaque |
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
| Habit: |
Disseminated - Occurs in small, distinct particles dispersed in matrix. |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luminescence: |
Non-fluorescent. |
| Luster: |
Sub Metallic |
| Magnetism: |
Nonmagnetic |
| Streak: |
dark green |
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Optical Properties of Alabandite
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| Optical Data: |
Isotropic, n=2.7. |
| RL Color: |
Gray white. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Alabandite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
30.90 |
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| 420 nm |
28.80 |
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| 440 nm |
26.70 |
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| 460 nm |
25.40 |
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| 480 nm |
24.50 |
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| 500 nm |
23.80 |
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| 520 nm |
23.20 |
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| 540 nm |
22.80 |
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| 560 nm |
22.40 |
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| 580 nm |
22.00 |
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| 600 nm |
21.80 |
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| 620 nm |
21.60 |
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| 640 nm |
21.50 |
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| 660 nm |
21.30 |
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| 680 nm |
21.20 |
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| 700 nm |
21.10 |
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Calculated Relative Intensity Colors of Alabandite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
360% |
390% |
| R |
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Calculated Properties of Alabandite
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| Electron Density: |
Bulk Density (Electron Density)=3.85 gm/cc
note: Specific Gravity of Alabandite =4.08 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0027641817
Boson Index = 0.9972358183 |
| Photoelectric: |
PEAlabandite = 18.54 barns/electron
U=PEAlabandite x rElectron Density= 71.30 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Alabandite is Not Radioactive |
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Alabandite Classification
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| Dana Class: |
02.08.01.04 (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 Alabandite Information
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Alabandite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST
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Print or Cut-and-Paste your Alabandite Specimen Label here :
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Alabandite
MnS
Dana No: 02.08.01.04 Strunz No: 02.CD.10
Locality:
Notes:
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