General Palarstanide Information Chemical Formula: |
Pd8(Sn,As)3 |
Composition: |
Molecular Weight = 1,141.81 gm |
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Tin 15.60 % Sn |
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Arsenic 9.84 % As |
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Palladium 74.56 % Pd |
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______ |
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100.00 % |
Empirical Formula: |
Pd8Sn1.5As1.5 |
Environment: |
Intergrown wiith other minerals in massive ores of cubanite, chalcopyrite, and talnakhite. |
IMA Status: |
Approved IMA 1981 |
Locality: |
Talnakh, Norilsk, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for its composition (Palladium, Arsenic, Stannum(tin)). |
Name Pronunciation: |
Palarstanide + Pronunciation |
| | Palarstanide Image
Images:
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Palarstanide Crystallography Axial Ratios: |
a:c = 1:2.1816 |
Cell Dimensions: |
a = 6.784, c = 14.8, Z = 4; V = 589.88 Den(Calc)= 12.86 |
Crystal System: |
Hexagonal - TrapezohedralH-M Symbol (6 2 2) Space Group: P 6322 |
X Ray Diffraction: |
By Intensity(I/Io): 2.22(1), 1.986(0.4), 2.5(0.4), |
| Physical Properties of Palarstanide Cleavage: |
{0001} Perfect |
Color: |
Steel gray. |
Diaphaneity: |
Opaque |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Hexagonal - Six-sided crystal shape in cross-section or habit. |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Hardness: |
5 - Apatite |
Luster: |
Metallic |
| Optical Properties of Palarstanide RL Anisotrophism: |
Slight, dark gray to brownish gray. |
RL Color: |
Grayish white with a slight rose tint. |
RL Pleochroism: |
Distinct in oil. |
Reflectivity |
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| Calculated Properties of Palarstanide Electron Density: |
Bulk Density (Electron Density)=11.1 gm/cc |
note: Specific Gravity of Palarstanide =12.9 gm/cc. Fermion Index: |
Fermion Index = 0.19 |
Boson Index = 0.81 Photoelectric: |
PEPalarstanide = 237.97 barns/electron |
U=PEPalarstanide x rElectron Density=2,639.97 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Palarstanide is Not Radioactive | Palarstanide Classification Dana Class: |
02.03.03.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.03)where Am Bn Xp, with (m+n):p=5:2 |
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(02.03.03)Dana Group |
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Strunz Class: |
02.AC.20b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.A - Simple Sulfides, Selenides, etc |
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02.AC -Alloys of metalloids with PGE |
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| Other Palarstanide Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Palarstanide : |
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 Palarstanide using: Visit our Advertisers for Palarstanide : A Bijoux Google Search for PalarstanideAdam's Minerals Google Search for Palarstanide Cape Minerals Google Search for Palarstanide Dakota Matrix Minerals Google Search for Palarstanide Excalibur Mineral Corp. Google Search for Palarstanide Exceptional Minerals Google Search for Palarstanide John Betts Fine Minerals Search for Palarstanide McDougall Minerals Google Search for Palarstanide Mineral News Website Link Rock and Mineral Shows Google Search for Palarstanide Weinrich Minerals, Inc. Google Search for Palarstanide Ask about Palarstanide here : Print or Cut-and-Paste your Palarstanide Specimen Label here :
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