Edenharterite Mineral Data

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General Edenharterite Information

Chemical Formula:

TlPbAs3S6

Composition:

Molecular Weight = 892.88 gm

Thallium 22.89 % Tl

Arsenic 25.17 % As

Lead 23.21 % Pb

Sulfur 28.73 % S

______

100.00 %

Empirical Formula:

TlPbAs₃S₈

IMA Status:

Approved IMA 1992

Locality:

Lengenbach, Binn, Switzerland. Link to MinDat.org Location Data.

Name Origin:

Named in 1992 for Andreas Edenharter (b.1933), Swiss crystal chemist.

Name Pronunciation:

Edenharterite + Pronunciation

Synonym:

ICSD 83271

IMA1987-026

PDF 46-1283

Edenharterite Image

Images:

Edenharterite

Comments: Submetallic, deep brownish black crystalline aggregate of edenharterite crystals in white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2 mm.
© Walter Gabriel

Edenharterite Crystallography

Axial Ratios:

a:b:c =0.3255:1:0.1229

Cell Dimensions:

a = 15.465, b = 47.507, c = 5.843, Z = 16; V = 4,292.83 Den(Calc)= 5.53

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: F dd2

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

By Intensity(I/I_o): 3.801(1), 2.767(0.43), 2.732(0.41),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
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Balic-Zunic T , Engel P , Zeitschrift fur Kristallographie , 165 (1983) p.261-269, Crystal structure of synthetic PbTlAs3S6, Locality: synthetic

Physical Properties of Edenharterite

Cleavage:

{???} Good

Color:

Brownish black, Black.

Diaphaneity:

Subtranslucent to Opaque

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Sub Metallic

Streak:

raspberry red

Calculated Properties of Edenharterite

Electron Density:

Bulk Density (Electron Density)=4.83 gm/cc
note: Specific Gravity of Edenharterite =5.53 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_{Edenharterite}= 813.53 barns/electron
U=PE_{Edenharterite} x rElectron Density=3,930.08 barns/cc.

Radioactivity:

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

Edenharterite Classification

Dana Class:

03.07.10.02 (03)Sulfides - Sulfosalts

(03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.07.10)Simonite Group

03.07.10.01 Simonite TlHgAs3S6 P 2₁/n 2/m

03.07.10.02 Edenharterite TlPbAs3S6 F dd2 mm2

03.07.10.03 Jentschite! TlPbAs2SbS6 P 2₁/n 2/m

03.07.10.04 Sicherite! TlAg2(As,Sb)3S6 Pmnb 2/m 2/m 2/m

Strunz Class:

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

02.H - Sulfosalts of SnS Archetype

02.HD -With Tl

02.HD.35 Edenharterite TlPbAs3S6 F dd2 mm2

Other Edenharterite Information

References:

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

See Also:

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

Edenharterite

TlPbAs3S6
Dana No: 03.07.10.02 Strunz No: 02.HD.35
Locality:

Notes: