Giessenite Mineral Data (original) (raw)

General Giessenite Information

Help on Chemical Formula: Chemical Formula:

Pb13(Cu,Ag)(Bi,Sb)9S28 (?)

Help on Composition: Composition:

Molecular Weight = 5,459.67 gm

Copper 0.87 % Cu

Silver 0.49 % Ag

Bismuth 30.62 % Bi

Antimony 2.23 % Sb

Lead 49.34 % Pb

Sulfur 16.45 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Pb13Cu0.75Ag0.25Bi8SbS28

Help on Environment: Environment:

Hydrothermal origin, with other sulfides.

Help on IMA Status: IMA Status:

Approved IMA 1963

Help on Locality: Locality:

From Turtschi, between Giessen and Binn, about 2 km from the Lengenbach quarry, Binntal, Valais, Switzerland. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Giessen, a village nearby the Binntal, Switzerland.

Help on Name Pronunciation: Name Pronunciation:

Giessenite + Pronunciation Say GIESSENITE

Giessenite Image

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Giessenite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9038:1:0.1068

Help on Cell Dimensions: Cell Dimensions:

a = 34.51, b = 38.18, c = 4.08, Z = 4; beta = 90° V = 5,375.77 Den(Calc)= 6.75

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.62(1), 3.15(0.5), 3.32(0.5),

Physical Properties of Giessenite

Help on Color: Color:

Grayish black.

Help on Density: Density:

7.45

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Habit: Habit:

Pseudo Orthorhombic - Crystals show an orthorhombic shape.

Help on Hardness: Hardness:

2.5 - Finger Nail

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

grayish black

Calculated Properties of Giessenite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.59 gm/cc
note: Specific Gravity of Giessenite =6.75 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Help on Photoelectric: Photoelectric:

PEGiessenite =1,519.12 barns/electron
U=PEGiessenite x rElectron Density=8,498.62 barns/cc.

Help on Radioactivity: Radioactivity:

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

Giessenite Classification

Help on Dana Class: Dana Class:

03.05.12.02 (03)Sulfides - Sulfosalts

(03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.05.12)Dana Group

03.05.12.01 Izoklakeite Pb27(Cu,Fe)2(Sb,Bi)19S57 Pnnm 2/m 2/m 2/m

03.05.12.02 Giessenite Pb13(Cu,Ag)(Bi,Sb)9S28(?) P 21/n 2/m

Help on Strunz Class: Strunz Class:

02.HB.10b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.H - Sulfosalts of SnS Archetype

02.HB -With Cu, Ag, Hg, Fe, Sn and Pb

02.HB.10b Giessenite Pb13(Cu,Ag)(Bi,Sb)9S28(?) P 21/n 2/m

02.HB.10b Izoklakeite Pb27(Cu,Fe)2(Sb,Bi)19S57 Pnnm 2/m 2/m 2/m

Other Giessenite Information

Help on References: References:

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

Help on See Also: See Also:

Links to other databases for Giessenite :
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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Print or Cut-and-Paste your Giessenite Specimen Label here :

Giessenite

Pb13(Cu,Ag)(Bi,Sb)9S28 (?)
Dana No: 03.05.12.02 Strunz No: 02.HB.10b
Locality:

Notes: