General Permingeatite Information Chemical Formula: |
Cu3SbSe4 |
Composition: |
Molecular Weight = 628.23 gm |
|
Copper 30.35 % Cu |
|
Antimony 19.38 % Sb |
|
Selenium 50.27 % Se |
|
______ |
|
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 |
|
PDF 25-263 |
| | Search for Permingeatite Images
Images:
|
|
| | Permingeatite Crystallography 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 - ScalenohedralH-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), |
| Physical Properties of Permingeatite Color: |
Pink brown. |
Diaphaneity: |
Opaque |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
4-4.5 - Between Fluorite and Apatite |
Luster: |
Metallic |
| Optical Properties of Permingeatite RL Anisotrophism: |
Strong, with bright colors in rose and green. |
RL Color: |
Light brownish pink. |
Reflectivity |
|
| Calculated Properties of Permingeatite Electron Density: |
Bulk Density (Electron Density)=5.11 gm/cc |
note: Specific Gravity of Permingeatite =5.86 gm/cc. 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. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Permingeatite is Not Radioactive | Permingeatite Classification Dana Class: |
03.02.02.03 (03)Sulfides - Sulfosalts |
|
(03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
|
(03.02.02)Luzonite Group |
|
|
|
Strunz Class: |
02.KA.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
|
02.K - Sulfarsenates, Sulfantimonates |
|
02.KA -Sulfarsenates with (As,Sb)S4 tetrahedra |
|
|
|
|
|
| Other Permingeatite Information 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 Search for Permingeatite using: Visit our Advertisers for Permingeatite : A Bijoux Google Search for PermingeatiteAdam's Minerals Google Search for Permingeatite Cape Minerals Google Search for Permingeatite Dakota Matrix Minerals Google Search for Permingeatite Excalibur Mineral Corp. Google Search for Permingeatite Exceptional Minerals Google Search for Permingeatite John Betts Fine Minerals Search for Permingeatite McDougall Minerals Google Search for Permingeatite Mineral News Website Link Rock and Mineral Shows Google Search for Permingeatite Weinrich Minerals, Inc. Google Search for Permingeatite Ask about Permingeatite here : Print or Cut-and-Paste your Permingeatite Specimen Label here :
| |
|
| |