| |
 |
Yushkinite Mineral Data
|
|
|
General Yushkinite Information
|
 Chemical Formula: |
V1-xS•n(Mg,Al)(OH)2 |
| Composition: |
Molecular Weight = 87.39 gm |
| |
Magnesium 11.88 % Mg |
| |
Aluminum 7.53 % Al |
| |
Vanadium 23.32 % V |
| |
Hydrogen 2.31 % H |
| |
Sulfur 18.35 % S |
| |
Oxygen 36.62 % O |
| |
______ |
| |
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:
|
|
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 Pyramidal H-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 |
Standardized Intensity (100%) Reflection Spectra of Yushkinite in Air
| λ |
R |
 |
∑ R(λ) |
| 440 nm |
26.00 |
 |
|
| 460 nm |
22.40 |
 |
| 480 nm |
19.00 |
 |
| 500 nm |
17.60 |
 |
| 520 nm |
17.80 |
 |
| 540 nm |
18.70 |
 |
| 560 nm |
20.70 |
 |
| 580 nm |
23.30 |
 |
| 600 nm |
26.40 |
 |
| 620 nm |
29.60 |
 |
| 640 nm |
32.80 |
 |
| 660 nm |
35.70 |
 |
| 680 nm |
38.20 |
 |
| 700 nm |
40.10 |
 |
Calculated Relative Intensity Colors of Yushkinite in Air
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
420% |
| R |
|
|
|
|
|
|
|
|
|
|
|
| |
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 |
| |
(02.14)(Hydroxyl or Hydrated) |
| |
(02.14.03)Dana Group |
| |
02.14.03.01 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m |
| |
02.14.03.02 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m |
| Strunz Class: |
02.FD.30 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 |
| |
02.FD.30 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m |
| |
02.FD.30 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m |
| |
02.FD.30 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m |
| |
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:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Yushkinite :
Ask about Yushkinite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espaņol
Print or Cut-and-Paste your Yushkinite Specimen Label here :
|
Yushkinite
V1-xS•n(Mg,Al)(OH)2
Dana No: 02.14.03.02 Strunz No: 02.FD.30
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.
