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Valleriite Mineral Data
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General Valleriite Information
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 Chemical Formula: |
4(Fe,Cu)S•3(Mg,Al)(OH)2 |
| Composition: |
Molecular Weight = 475.92 gm |
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Magnesium 8.68 % Mg |
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Aluminum 7.37 % Al |
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Iron 25.82 % Fe |
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Copper 24.03 % Cu |
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Hydrogen 0.42 % H |
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Sulfur 26.95 % S |
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Oxygen 6.72 % O |
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______ |
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100.00 % |
| Empirical Formula: |
Fe2+2.2Cu1.8S4Mg1.7Al1.3(OH)2 |
| Environment: |
An alteration product of chalcopyrite in chromatites and dunites. |
| IMA Status: |
Valid Species (Pre-IMA) 1870 |
| Locality: |
Aurora mine, Ljusnarsberg, and Kaveltorp, Kopparberg, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Goran Wallerius (Vallerius) (1683-1742), a Swedish mining geologist. |
| Name Pronunciation: |
Valleriite + Pronunciation  |
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Valleriite Image |
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Images:
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Images:
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Plumbopalladinite Valleriite Cubanite Pentlandite
Comments: Polished Section image (PPL) of plumbopalladinite (Pl) with polarite Po), surrounded by a rim of isoferroplatinum (Iso) with cubanite (Cu), pentlandite (Pe), and valleriite (Va).
Location: Majak Mine, Talnakh, Norilsk, Ural, Russia.
Scale: Picture Size 0.7 mm.
© Thomas Witzke |
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Valleriite Crystallography
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| Axial Ratios: |
a:c = 1:8.99261 |
| Cell Dimensions: |
a = 3.792, c = 34.1, Z = 2; V = 424.64 Den(Calc)= 3.72 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 5.71(1), 11.4(1), 3.37(0.6), |
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Physical Properties of Valleriite
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| Cleavage: |
{0001} Perfect |
| Color: |
Bronze, Gray. |
| Density: |
3.09 - 3.14, Average = 3.11 |
| Diaphaneity: |
Opaque |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Habit: |
Nodular - Tuberose forms having irregular protuberances over the surface. |
| Hardness: |
1-1.5 - Talc or a little harder |
| Luster: |
Metallic |
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Optical Properties of Valleriite
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| RL Anisotrophism: |
Strong, golden yellow. |
| RL Pleochroism: |
Strong, pale yellow to deep brown. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Valleriite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
11.00 |
8.60 |
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| 420 nm |
10.80 |
9.60 |
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| 440 nm |
10.60 |
10.60 |
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| 460 nm |
10.40 |
11.60 |
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| 480 nm |
10.40 |
12.70 |
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| 500 nm |
10.30 |
13.80 |
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| 520 nm |
10.20 |
15.00 |
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| 540 nm |
10.20 |
16.20 |
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| 560 nm |
10.20 |
17.20 |
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| 580 nm |
10.20 |
18.10 |
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| 600 nm |
10.20 |
19.00 |
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| 620 nm |
10.20 |
19.70 |
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| 640 nm |
10.20 |
20.40 |
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| 660 nm |
10.30 |
21.10 |
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| 680 nm |
10.30 |
21.70 |
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| 700 nm |
10.40 |
22.30 |
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Calculated Relative Intensity Colors of Valleriite in Air
Relative
Intensity |
0% |
90% |
100% |
180% |
270% |
360% |
450% |
540% |
630% |
720% |
810% |
860% |
| R1 |
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| R2 |
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Calculated Properties of Valleriite
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| Electron Density: |
Bulk Density (Electron Density)=3.58 gm/cc
note: Specific Gravity of Valleriite =3.72 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEValleriite = 20.16 barns/electron
U=PEValleriite x rElectron Density= 72.08 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Valleriite is Not Radioactive |
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Valleriite Classification
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| Dana Class: |
02.14.01.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.14)(Hydroxyl or Hydrated) |
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(02.14.01)Dana Group |
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02.14.01.01 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m |
| 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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02.FD.30 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m |
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02.FD.30 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m |
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02.FD.30 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m |
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Other Valleriite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Valleriite :
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
15 - Scandinavian mineral gallery
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Valleriite
4(Fe,Cu)S•3(Mg,Al)(OH)2
Dana No: 02.14.01.01 Strunz No: 02.FD.30
Locality:
Notes:
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