Vinciennite Mineral Data

General Vinciennite Information

Chemical Formula:

Cu10Fe4Sn(As,Sb)S16

Composition:

Molecular Weight = 1,588.95 gm

Iron 14.06 % Fe

Copper 39.99 % Cu

Tin 7.47 % Sn

Antimony 3.83 % Sb

Arsenic 2.36 % As

Sulfur 32.29 % S

______

100.00 %

Empirical Formula:

Cu₁₀Fe²⁺₄SnAs_0.5Sb_0.5S₁₆

Environment:

In a porphyry copper deposit with other tin-bearing sufides (Maggie deposit).

IMA Status:

Approved IMA 1985

Locality:

Chizeuil, Saoneet-Loire, France and Maggie copper deposit, 15 km north of Ascroft, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Henri Vincienne (1898-1965), French mineralogist.

Name Pronunciation:

Vinciennite + Pronunciation

Vinciennite Image

Images:

Vinciennite Colusite

Comments: Polished section (PPL) of a Fe-rich rim of vinciennite (vinc) on earlier colusite (col). Matrix is bornite (bn).
Location: Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: Picture Size 0.5 mm.
© National Resouces of Canada

Vinciennite Crystallography

Axial Ratios:

a:c = 1:1

Cell Dimensions:

a = 10.697, c = 10.697, Z = 2; V = 1,224.01 Den(Calc)= 4.31

Crystal System:

Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 4₁22

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.088(1), 1.895(0.9), 1.614(0.7),

Physical Properties of Vinciennite

Cleavage:

None

Color:

Orange.

Density:

4.29

Diaphaneity:

Opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Metallic

Optical Properties of Vinciennite

Optical Data:

NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.1394) where Ncalc=Dcalc*KC+1
NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.1394) where Ncalc=Dmeas*KC+1

RL Anisotrophism:

Weak, purplish blue to greenish brown yellow.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Vinciennite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
420 nm	19.40	19.40
460 nm	21.80	20.60
500 nm	23.90	22.80
540 nm	27.70	26.50
580 nm	30.70	29.50
620 nm	33.60	32.10
660 nm	35.90	34.30
700 nm	37.80	36.00

**Calculated Relative Intensity Colors of Vinciennite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	430%
R₁
R₂

Calculated Properties of Vinciennite

Electron Density:

Bulk Density (Electron Density)=4.03 gm/cc
note: Specific Gravity of Vinciennite =4.31 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Vinciennite= 59.89 barns/electron
U=PE_Vinciennite x rElectron Density= 241.08 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vinciennite is Not Radioactive

Vinciennite Classification

Dana Class:

03.01.02.01 (03)Sulfides - Sulfosalts

(03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.01.02)Dana Group

03.01.02.01 Vinciennite Cu10Fe4Sn(As,Sb)S16 P 4₁22 4 2 2

Strunz Class:

02.CB.35a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CB -With Zn, Fe, Cu, Ag, Au, etc

02.CB.35a Hemusite Cu6SnMoS8 Unk Cubic

02.CB.35a Kiddcreekite Cu6SnWS8 Unk Cubic

02.CB.35a Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 4₂c- 4 2m

02.CB.35a Polkovicite (Fe,Pb)3(Ge,Fe)1-xS4 F d3m 4/m 3 2/m

02.CB.35a Morozeviczite (Pb,Fe)3Ge1-xS4 F d3m 4/m 3 2/m

02.CB.35a Catamarcaite! Cu6GeWS8 P 6₃mc 6/m 2/m 2/m

02.CB.35a Vinciennite Cu10Fe4Sn(As,Sb)S16 P 4₁22 4 2 2

Other Vinciennite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Vinciennite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Ask about Vinciennite here :
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Print or Cut-and-Paste your Vinciennite Specimen Label here :

Vinciennite

Cu10Fe4Sn(As,Sb)S16
Dana No: 03.01.02.01 Strunz No: 02.CB.35a
Locality:

Notes: