Colusite Mineral Data

General Colusite Information

Chemical Formula:

Cu12-13V(As,Sb,Sn,Ge)3S16

Composition:

Molecular Weight = 1,673.29 gm

Vanadium 3.04 % V

Copper 47.47 % Cu

Tin 4.26 % Sn

Germanium 1.30 % Ge

Antimony 6.55 % Sb

Arsenic 6.72 % As

Sulfur 30.66 % S

______

100.00 %

Empirical Formula:

Cu_12.5V⁵⁺As_1.5Sb_0.9Sn_0.6Ge_0.3S₁₆

Environment:

With other sulfides in hydrothermal copper ore veins.

IMA Status:

Valid Species (Pre-IMA) 1933

Locality:

In the USA, from the Leonard mine, south of the Colusa claim, and from other mines at Butte, Silver Bow County, Montana, USA. Link to MinDat.org Location Data.

Name Origin:

For the Colusa claim, Butte, Montana, USA.

Synonym:

Arsenosulvanite

ICSD 75298/9

PDF 44-1474

Colusite Image

Images:

Colusite Arsenosulvanite

Comments: Bronzy, metallic tetragonal crystals of colusite (arsenosulvanite) in white marble.
Location: Val Bona quarry, Carrara, Italy. Scale: Picture size 1 cm.
© Dave Barthelmy

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

Colusite Crystallography

Cell Dimensions:

a = 10.629, Z = 2; V = 1,200.82 Den(Calc)= 4.63

Crystal System:

Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: P 43n

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

By Intensity(I/I_o): 3.075(1), 1.88(0.8), 1.6(0.6),

Forms:

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Forms: ( 0 1 2) ( 1 1 1) ( 1 1 2)

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Physical Properties of Colusite

Cleavage:

None

Color:

Bronze.

Density:

4.2

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Massive - Granular - Common texture observed in granite and other igneous rock.

Hardness:

3-4 - Calcite-Fluorite

Luster:

Metallic

Streak:

black

Optical Properties of Colusite

RL Color:

Cream.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Colusite in Air**
λ	R	∑ R(λ)
400 nm	22.00
420 nm	23.50
440 nm	25.00
460 nm	25.90
480 nm	26.60
500 nm	27.50
520 nm	28.80
540 nm	30.00
560 nm	30.90
580 nm	31.60
600 nm	31.90
620 nm	31.50
640 nm	30.80
660 nm	29.80
680 nm	28.70
700 nm	27.80

**Calculated Relative Intensity Colors of Colusite in Air**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	320%	350%
R

Calculated Properties of Colusite

Electron Density:

Bulk Density (Electron Density)=4.30 gm/cc
note: Specific Gravity of Colusite =4.63 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Colusite= 62.68 barns/electron
U=PE_Colusite x rElectron Density= 269.36 barns/cc.

Radioactivity:

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

Colusite Classification

Dana Class:

03.01.01.01 (03)Sulfides - Sulfosalts

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

(03.01.01)Colusite Group (Isometric: P-43n) with Cu and V

03.01.01.01 Colusite Cu12-13V(As,Sb,Sn,Ge)3S16 P 43n 4 3m

03.01.01.02 Germanocolusite Cu13V(Ge,As)3S16 P 43n 4 3m

03.01.01.03 Nekrasovite Cu26V2(Sn,As,Sb)6S32 P 43n 4 3m

03.01.01.04 Stibiocolusite Cu13V(Sb,As,Sn)3S16 P 43n 4 3m

Strunz Class:

02.CB.30 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.30 Colusite Cu12-13V(As,Sb,Sn,Ge)3S16 P 43n 4 3m

02.CB.30 Germanite Cu26Fe4Ge4S32 P 43n 4 3m

02.CB.30 Germanocolusite Cu13V(Ge,As)3S16 P 43n 4 3m

02.CB.30 Nekrasovite Cu26V2(Sn,As,Sb)6S32 P 43n 4 3m

02.CB.30 Stibiocolusite Cu13V(Sb,As,Sn)3S16 P 43n 4 3m

02.CB.30 Maikainite! Cu20(Fe,Cu)6Mo2Ge6S32 P 43n 4 3m

02.CB.30 Ovamboite! Cu20(Fe,Cu,Zn)6W2Ge6S32 P 43n 4 3m

Other Colusite Information

References:

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

See Also:

Links to other databases for Colusite :
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 Colusite Specimen Label here :

Colusite

Cu12-13V(As,Sb,Sn,Ge)3S16
Dana No: 03.01.01.01 Strunz No: 02.CB.30
Locality:

Notes:

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