Villamaninite Mineral Data (original) (raw)

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 Villamaninite Image in a New Browser Window Images:

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 - DiploidalH-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),

Click Here for Large Villamaninite Structure Window Crystal Structure:

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Help on Above

| | Marcos C , Paniagua A , Moreiras D B , Garcia-Granda S , Diaz M R , Acta Crystallographica, Section B , 52 (1996) p.899-904, Villamaninite, a case of noncubic pyrite-type structure, Locality: Villamanin, Leon, Spain, Sample: 1, Note: anisoU s from ICSD View Additional jPOWD Structure files for Villamaninite [1] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

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

RelativeIntensity 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

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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: