Germanocolusite Mineral Data

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General Germanocolusite Information

Chemical Formula:

Cu13V(Ge,As)3S16

Composition:

Molecular Weight = 1,609.66 gm

Vanadium 3.16 % V

Copper 51.32 % Cu

Germanium 10.15 % Ge

Arsenic 3.49 % As

Sulfur 31.87 % S

______

100.00 %

Empirical Formula:

Cu₁₃V⁵⁺Ge_2.25As_0.75S₁₆

IMA Status:

Approved IMA 1992

Locality:

Urup, northern Caucasus, Russia; Maykain, northeastern Kazakhstan; Tsumeb, Namibia. Link to MinDat.org Location Data.

Name Origin:

Named in 1992 for its relationship to colusite.

Name Pronunciation:

Germanocolusite + Pronunciation

Synonym:

IMA1991-044

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Germanocolusite Crystallography

Cell Dimensions:

a = 10.568, Z = 1; V = 1,180.26 Den(Calc)= 2.26

Crystal System:

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

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

By Intensity(I/I_o): 3.05(1), 1.87(0.5), 2.64(0.4),

Physical Properties of Germanocolusite

Cleavage:

None

Color:

Yellow, Grayish yellow, Greenish yellow, Olive yellow, Cream yellow.

Diaphaneity:

Opaque

Hardness:

4.5-5 - Near Apatite

Luster:

Metallic

Calculated Properties of Germanocolusite

Electron Density:

Bulk Density (Electron Density)=2.11 gm/cc
note: Specific Gravity of Germanocolusite =2.26 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Germanocolusite}= 34.15 barns/electron
U=PE_{Germanocolusite} x rElectron Density= 72.19 barns/cc.

Radioactivity:

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

Germanocolusite Classification

Dana Class:

03.01.01.02 (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 Germanocolusite Information

References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996)

See Also:

Links to other databases for Germanocolusite :
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

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

Germanocolusite

Cu13V(Ge,As)3S16
Dana No: 03.01.01.02 Strunz No: 02.CB.30
Locality:

Notes: