Mineralogy Database

Villamaninite Mineral Data

Search Webmineral :
  
Advertisment

General Villamaninite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Ni,Co,Fe)S2
Help on Composition: Composition: Molecular Weight = 114.68 gm
   Iron     0.24 %  Fe
   Cobalt   0.77 %  Co
   Copper  27.71 %  Cu
   Nickel  15.35 %  Ni
   Sulfur  55.92 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.5Ni0.3Co0.01Fe2+0.005S2
Help on Environment: Environment: As subhedral disseminated grains in black bituminous dolostone and in white coarse-grained recrystallized dolostone or as nodular aggregates in vuggy dolomite veinlets.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Providencia mine, Mina C�rmenes district, near Villaman�n, Leon province, Spain Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Villamaninite + Pronunciation Say VILLAMANINITE
 

Villamaninite Image

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

  Villamaninite

Comments: Dull black villamaninite masses in dolomitic rock.
Location: Villamanin, Carmenes District, Castilla y Leon, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Villamaninite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.701, Z = 4; V = 185.29 Den(Calc)= 4.11
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.852(1), 1.717(0.4), 2.548(0.3),
 

Physical Properties of Villamaninite

Help on Cleavage: Cleavage: {001} Perfect, {010} Perfect, {100} Perfect
Help on Color: Color: Iron black.
Help on Density: Density: 4.523
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: sooty black
 

Optical Properties of Villamaninite

Help on RL Color: RL Color: Light blue-gray to violet gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Villamaninite in Air
λ R  ∑ R(λ) 
 400 nm   26.90   
 420 nm   26.70 
 440 nm   26.50 
 460 nm   25.80 
 480 nm   25.10 
 500 nm   24.50 
 520 nm   23.80 
 540 nm   23.40 
 560 nm   23.20 
 580 nm   23.40 
 600 nm   23.90 
 620 nm   24.80 
 640 nm   26.00 
 660 nm   27.60 
 680 nm   29.40 
 700 nm   31.40 
Calculated Relative Intensity Colors of Villamaninite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 370%
R                        
 

Calculated Properties of Villamaninite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.97 gm/cc
note: Specific Gravity of Villamaninite =4.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0059809679
Boson Index = 0.9940190321
Help on Photoelectric: Photoelectric: PEVillamaninite = 21.62 barns/electron
U=PEVillamaninite x rElectron Density= 85.91 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Villamaninite is Not Radioactive
 

Villamaninite Classification

Help on  Dana Class: Dana Class: 02.12.01.06 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.01)Pyrite Group (Isometric: Pa3)
 
02.12.01.01 Pyrite FeS2 P a3 2/m 3
 
02.12.01.02 Vaesite NiS2 P a3 2/m 3
 
02.12.01.03 Cattierite CoS2 P a3 2/m 3
 
02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
 
02.12.01.05 Trogtalite CoSe2 P a3 2/m 3
 
02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
 
02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3
 
02.12.01.08 Krutaite CuSe2 P a3 2/m 3
 
02.12.01.09 Hauerite MnS2 P a3 2/m 3
 
02.12.01.10 Laurite RuS2 P a3 2/m 3
 
02.12.01.11 Aurostibite AuSb2 P a3 2/m 3
 
02.12.01.12 Krutovite NiAs2 P a3 2/m 3
 
02.12.01.13 Sperrylite PtAs2 P a3 2/m 3
 
02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3
 
02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
 
02.12.01.16 Erlichmanite OsS2 P a3 2/m 3
 
02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3
 
02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3
 
02.12.01.19 Mayingite IrBiTe P a3 2/m 3
Help on  Strunz Class: Strunz Class: 02.EB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S � 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
 
02.EB.05a Aurostibite AuSb2 P a3 2/m 3
 
02.EB.05a Cattierite CoS2 P a3 2/m 3
 
02.EB.05a Hauerite MnS2 P a3 2/m 3
 
02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3
 
02.EB.05a Dzharkenite FeSe2 P a3 2/m 3
 
02.EB.05a Erlichmanite OsS2 P a3 2/m 3
 
02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3
 
02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3
 
02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
 
02.EB.05a Laurite RuS2 P a3 2/m 3
 
02.EB.05a Krutaite CuSe2 P a3 2/m 3
 
02.EB.05a Pyrite FeS2 P a3 2/m 3
 
02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
 
02.EB.05a Sperrylite PtAs2 P a3 2/m 3
 
02.EB.05a Vaesite NiS2 P a3 2/m 3
 
02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
 
02.EB.05a Trogtalite CoSe2 P a3 2/m 3
 

Other Villamaninite 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 Villamaninite :
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 - WWW-MINCRYST

Search for Villamaninite using:

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

Visit our Advertisers for Villamaninite :

Ask about Villamaninite 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 Espaol

Print or Cut-and-Paste your Villamaninite Specimen Label here :

Villamaninite

(Cu,Ni,Co,Fe)S2
Dana No: 02.12.01.06 Strunz No: 02.EB.05a
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.