Mineralogy Database

Valleriite Mineral Data

Search Webmineral :
  
Advertisment

General Valleriite Information

Help on Chemical  Formula: Chemical Formula: 4(Fe,Cu)S•3(Mg,Al)(OH)2
Help on Composition: Composition: Molecular Weight = 475.92 gm
   Magnesium   8.68 %  Mg
   Aluminum    7.37 %  Al
   Iron       25.82 %  Fe
   Copper     24.03 %  Cu
   Hydrogen    0.42 %  H
   Sulfur     26.95 %  S
   Oxygen      6.72 %  O
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+2.2Cu1.8S4Mg1.7Al1.3(OH)2
Help on Environment: Environment: An alteration product of chalcopyrite in chromatites and dunites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1870
Help on Locality: Locality: Aurora mine, Ljusnarsberg, and Kaveltorp, Kopparberg, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Goran Wallerius (Vallerius) (1683-1742), a Swedish mining geologist.
Help on Name Pronunciation: Name Pronunciation: Valleriite + Pronunciation Say VALLERIITE
 

Valleriite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Valleriite

Comments: Bronze-brown colored metallic valleriite, somewhat foliated.
Location: Pima Mine, near Tucson, Pima County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  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

Valleriite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:8.99261
Help on Cell Dimensions: Cell Dimensions: a = 3.792, c = 34.1, Z = 2; V = 424.64 Den(Calc)= 3.72
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.71(1), 11.4(1), 3.37(0.6),
 

Physical Properties of Valleriite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Bronze, Gray.
Help on Density: Density: 3.09 - 3.14, Average = 3.11
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 1-1.5 - Talc or a little harder
Help on Luster: Luster: Metallic
 

Optical Properties of Valleriite

Help on RL Anisotrophism: RL Anisotrophism: Strong, golden yellow.
Help on RL Pleochroism: RL Pleochroism: Strong, pale yellow to deep brown.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Valleriite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   11.00    8.60 
   
 420 nm   10.80    9.60 
 440 nm   10.60   10.60 
 460 nm   10.40   11.60 
 480 nm   10.40   12.70 
 500 nm   10.30   13.80 
 520 nm   10.20   15.00 
 540 nm   10.20   16.20 
 560 nm   10.20   17.20 
 580 nm   10.20   18.10 
 600 nm   10.20   19.00 
 620 nm   10.20   19.70 
 640 nm   10.20   20.40 
 660 nm   10.30   21.10 
 680 nm   10.30   21.70 
 700 nm   10.40   22.30 
Calculated Relative Intensity Colors of Valleriite in Air
Relative
Intensity
   0%   90% 100% 180% 270% 360% 450% 540% 630% 720% 810% 860%
R1                        
R2                        
 

Calculated Properties of Valleriite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.58 gm/cc
note: Specific Gravity of Valleriite =3.72 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEValleriite = 20.16 barns/electron
U=PEValleriite x rElectron Density= 72.08 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Valleriite is Not Radioactive
 

Valleriite Classification

Help on  Dana Class: Dana Class: 02.14.01.01 (02)Sulfides - Including Selenides and Tellurides
  (02.14)(Hydroxyl or Hydrated)
  (02.14.01)Dana Group
 
02.14.01.01 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m
Help on  Strunz Class: 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 Valleriite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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

Search for Valleriite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Valleriite :

Ask about Valleriite 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 Valleriite Specimen Label here :

Valleriite

4(Fe,Cu)S•3(Mg,Al)(OH)2
Dana No: 02.14.01.01 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.