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Permingeatite Mineral Data
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General Permingeatite Information
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 Chemical Formula: |
Cu3SbSe4 |
| Composition: |
Molecular Weight = 628.23 gm |
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Copper 30.35 % Cu |
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Antimony 19.38 % Sb |
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Selenium 50.27 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
Cu3SbSe4 |
| Environment: |
A product of hydrothermal mineralization. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
Predborice, Stredocesky kraj, Czech Republic Link to MinDat.org Location Data. |
| Name Origin: |
Named for Francois Permingeat (1917-1988), mineralogist, University of Toulouse, France. |
| Name Pronunciation: |
Permingeatite + Pronunciation  |
| Synonym: |
ICSD 400652 |
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PDF 25-263 |
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Permingeatite Crystallography
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| Axial Ratios: |
a:c = 1:1.99467 |
| Cell Dimensions: |
a = 5.63, c = 11.23, Z = 2; V = 355.96 Den(Calc)= 5.86 |
| Crystal System: |
Tetragonal - Scalenohedral H-M Symbol (4 2m) Space Group: I 42m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.251(1), 1.986(0.9), 1.697(0.8), |
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Physical Properties of Permingeatite
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| Color: |
Pink brown. |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4-4.5 - Between Fluorite and Apatite |
| Luster: |
Metallic |
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Optical Properties of Permingeatite
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| RL Anisotrophism: |
Strong, with bright colors in rose and green. |
| RL Color: |
Light brownish pink. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Permingeatite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
30.60 |
30.90 |
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| 420 nm |
29.80 |
31.00 |
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| 440 nm |
29.00 |
31.10 |
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| 460 nm |
28.20 |
30.50 |
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| 480 nm |
27.60 |
29.40 |
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| 500 nm |
27.00 |
28.20 |
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| 520 nm |
26.60 |
27.10 |
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| 540 nm |
26.20 |
26.30 |
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| 560 nm |
25.60 |
25.80 |
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| 580 nm |
25.00 |
25.50 |
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| 600 nm |
24.50 |
25.60 |
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| 620 nm |
24.50 |
25.90 |
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| 640 nm |
24.70 |
26.50 |
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| 660 nm |
25.30 |
27.40 |
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| 680 nm |
26.20 |
28.40 |
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| 700 nm |
27.60 |
29.30 |
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Calculated Relative Intensity Colors of Permingeatite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
340% |
| R1 |
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| R2 |
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Calculated Properties of Permingeatite
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| Electron Density: |
Bulk Density (Electron Density)=5.11 gm/cc
note: Specific Gravity of Permingeatite =5.86 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEPermingeatite = 120.38 barns/electron
U=PEPermingeatite x rElectron Density= 615.32 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Permingeatite is Not Radioactive |
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Permingeatite Classification
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| Dana Class: |
03.02.02.03 (03)Sulfides - Sulfosalts |
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(03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.02.02)Luzonite Group |
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03.02.02.01 Luzonite Cu3AsS4 I 42m 4 2m |
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03.02.02.02 Famatinite Cu3SbS4 I 42m 4 2m |
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03.02.02.03 Permingeatite Cu3SbSe4 I 42m 4 2m |
| Strunz Class: |
02.KA.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.K - Sulfarsenates, Sulfantimonates |
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02.KA -Sulfarsenates with (As,Sb)S4 tetrahedra |
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02.KA.10 Briartite Cu2(Zn,Fe)GeS4 I 42m 4 2m |
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02.KA.10 Barquillite! Cu2CdGeS4 I 42m 4 2m |
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02.KA.10 Famatinite Cu3SbS4 I 42m 4 2m |
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02.KA.10 Luzonite Cu3AsS4 I 42m 4 2m |
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02.KA.10 Permingeatite Cu3SbSe4 I 42m 4 2m |
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Other Permingeatite 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 Permingeatite :
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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Print or Cut-and-Paste your Permingeatite Specimen Label here :
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Permingeatite
Cu3SbSe4
Dana No: 03.02.02.03 Strunz No: 02.KA.10
Locality:
Notes:
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