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General Vyalsovite Information |
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 Chemical Formula: |
FeS•Ca(OH)2•Al(OH)3 | ||
| Composition: |
Molecular Weight = 240.01 gm | ||
| Calcium 16.70 % Ca | |||
| Aluminum 11.24 % Al | |||
| Iron 23.27 % Fe | |||
| Hydrogen 2.10 % H | |||
| Sulfur 13.36 % S | |||
| Oxygen 33.33 % O | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Fe2+SCaAl(OH)5 | ||
| Environment: |
In a skarn. | ||
| IMA Status: |
Approved IMA 1990 | ||
| Locality: |
Talnakh, Norilsk, Russia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Leonid N. Vyalsov (1939-), Russian mineralogist. | ||
| Name Pronunciation: |
Vyalsovite + Pronunciation  |
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| Synonym: |
IMA1989-004 | ||
Vyalsovite Image | |||
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Images:
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Vyalsovite Crystallography |
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| Axial Ratios: |
a:b:c =0.6768:1:0.2619 | ||
| Cell Dimensions: |
a = 14.2, b = 20.98, c = 5.496, Z = 8; V = 1,637.35 Den(Calc)= 1.95 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mmm ? | ||
| X Ray Diffraction: |
By Intensity(I/Io): 5.4(1), 2.16(0.5), 4.76(0.4), | ||
Physical Properties of Vyalsovite |
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| Color: |
Red. | ||
| Density: |
1.96 | ||
| Diaphaneity: |
Opaque | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Luster: |
Sub Metallic | ||
Calculated Properties of Vyalsovite |
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| Electron Density: |
Bulk Density (Electron Density)=1.95 gm/cc note: Specific Gravity of Vyalsovite =1.95 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.0063235533 Boson Index = 0.9936764467 |
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| Photoelectric: |
PEVyalsovite = 9.88 barns/electron U=PEVyalsovite x rElectron Density= 19.27 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Vyalsovite is Not Radioactive |
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Vyalsovite Classification |
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| Dana Class: |
02.14.04.01 (02)Sulfides - Including Selenides and Tellurides | ||
| (02.14)(Hydroxyl or Hydrated) | |||
| (02.14.04)Dana Group | |||
| Strunz Class: |
02.FD.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
| 02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O | |||
| 02.FD -With O, OH, H2O | |||
Other Vyalsovite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.77,p201-206,1992) | ||
| See Also: |
Links to other databases for Vyalsovite : 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 Vyalsovite using: Visit our Advertisers for Vyalsovite : A Bijoux Google Search for VyalsoviteAdam's Minerals Google Search for Vyalsovite Cape Minerals Google Search for Vyalsovite Dakota Matrix Minerals Google Search for Vyalsovite Excalibur Mineral Corp. Google Search for Vyalsovite Exceptional Minerals Google Search for Vyalsovite John Betts Fine Minerals Search for Vyalsovite McDougall Minerals Google Search for Vyalsovite Mineral News Website Link Rock and Mineral Shows Google Search for Vyalsovite Weinrich Minerals, Inc. Google Search for Vyalsovite Ask about Vyalsovite here : Print or Cut-and-Paste your Vyalsovite Specimen Label here :
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