General Yushkinite Information Chemical Formula: |
V1-xS•n(Mg,Al)(OH)2 |
Composition: |
Molecular Weight = 87.39 gm |
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Magnesium 11.88 % Mg |
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Aluminum 7.53 % Al |
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Vanadium 23.32 % V |
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Hydrogen 2.31 % H |
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Sulfur 18.35 % S |
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Oxygen 36.62 % O |
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100.00 % |
Empirical Formula: |
V3+0.4S0.50.61(Mg0.7)0.61(Al0.4)(OH)2 |
Environment: |
In quartz-carbonate veins in carbonate rocks. |
IMA Status: |
Approved IMA 1984 |
Locality: |
From Pay-Khoy, in the middle stram of the Silova-Yakha River, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for N. P. Yushkin, Russian mineralogist. |
Name Pronunciation: |
Yushkinite + Pronunciation |
| | Yushkinite Image
Images:
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Yushkinite Crystallography Axial Ratios: |
a:c = 1:3.52024 |
Cell Dimensions: |
a = 3.21, c = 11.3, Z = 2; V = 100.84 Den(Calc)= 2.88 |
Crystal System: |
Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3m1 |
X Ray Diffraction: |
By Intensity(I/Io): 5.68(1), 1.575(0.6), 2.76(0.6), |
| Physical Properties of Yushkinite Color: |
Violet, Red lilac, Pinkish gray. |
Density: |
2.94 |
Diaphaneity: |
Opaque |
Fracture: |
Plastic - Deforms like soft, plastic materials. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Flakes - Flat, thin crystals or aggregates. |
Habit: |
Scaly - Morphology like fish scales. |
Hardness: |
1 - Talc |
Luster: |
Metallic |
Streak: |
reddish gray |
| Optical Properties of Yushkinite RL Anisotrophism: |
Strong, orange-red with weak lilac tint in isotropic sections, red-lilac to pinkish dark gray. |
Reflectivity |
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| Calculated Properties of Yushkinite Electron Density: |
Bulk Density (Electron Density)=2.87 gm/cc |
note: Specific Gravity of Yushkinite =2.88 gm/cc. Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEYushkinite = 5.79 barns/electron |
U=PEYushkinite x rElectron Density= 16.61 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Yushkinite is Not Radioactive | Yushkinite Classification Dana Class: |
02.14.03.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.14)(Hydroxyl or Hydrated) |
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(02.14.03)Dana Group |
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Strunz Class: |
02.FD.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O |
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02.FD -With O, OH, H2O |
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| Other Yushkinite Information References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Yushkinite : |
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 Yushkinite using: Visit our Advertisers for Yushkinite : A Bijoux Google Search for YushkiniteAdam's Minerals Google Search for Yushkinite Cape Minerals Google Search for Yushkinite Dakota Matrix Minerals Google Search for Yushkinite Excalibur Mineral Corp. Google Search for Yushkinite Exceptional Minerals Google Search for Yushkinite John Betts Fine Minerals Search for Yushkinite McDougall Minerals Google Search for Yushkinite Mineral News Website Link Rock and Mineral Shows Google Search for Yushkinite Weinrich Minerals, Inc. Google Search for Yushkinite Ask about Yushkinite here : Print or Cut-and-Paste your Yushkinite Specimen Label here :
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