General Edenharterite Information
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Chemical Formula: |
TlPbAs3S6 |
Composition: |
Molecular Weight = 892.88 gm |
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Thallium 22.89 % Tl |
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Arsenic 25.17 % As |
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Lead 23.21 % Pb |
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Sulfur 28.73 % S |
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______ |
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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. |
Synonym: |
ICSD 83271 |
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IMA1987-026 |
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PDF 46-1283 |
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Edenharterite Image |
Images:
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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 |
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Edenharterite Crystallography
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 3.801(1), 2.767(0.43), 2.732(0.41), |
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
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H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
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Balic-Zunic T , Engel P , Zeitschrift fur Kristallographie , 165 (1983) p.261-269, Crystal structure of synthetic PbTlAs3S6, Locality: synthetic
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Physical Properties of Edenharterite
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Cleavage: |
[???] Good |
Color: |
Brownish black, Black. |
Diaphaniety: |
Subtranslucent to Opaque |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Sub Metallic |
Streak: |
raspberry red |
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Calculated Properties of Edenharterite
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Electron Density: |
relectron=4.83 gm/cc note: rEdenharterite =5.53 gm/cc. |
Fermion Index |
Fermion Index = 0.05343 Boson Index = 0.94657 |
Photoelectric: |
PEEdenharterite = 813.53 barns/electron U=PEEdenharterite x relectron=3,930.07 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Edenharterite is Not Radioactive |
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Edenharterite Classification
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Dana Class: |
3.7.10.2 (3)Sulfides - Sulfosalts |
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(3.7)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(3.7.10)Dana Group |
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3.7.10.1 Simonite TlHgAs3S6 P 21/n 2/m |
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3.7.10.2 Edenharterite TlPbAs3S6 F dd2 mm2 |
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3.7.10.3 Jentschite! TlPbAs2SbS6 P 21/n 2/m |
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3.7.10.4 Sicherite! TlAg2(As,Sb)3S6 Pmnb 2/m 2/m 2/m |
Strunz Class: |
II/E.13-42 II - Sulfides and sulphosalts |
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II/E - Sulfosalts (S : As,Sb,Bi = x) Sulfosalts with predominant Thallium and Mercury, x = 4.0 - 1.6 |
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II/E.13 - Livingstonite - Vaughanite series |
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II/E.13-10 Livingstonite HgSb4S8 A2/a 2/m |
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II/E.13-20 Grumiplucite! HgBi2S4 C 2/m 2/m |
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II/E.13-30 Simonite TlHgAs3S6 P 21/n 2/m |
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II/E.13-40 Vrbaite Tl4Hg3Sb2As8S20 C mca 2/m 2/m 2/m |
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II/E.13-42 Edenharterite TlPbAs3S6 F dd2 mm2 |
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II/E.13-43 Jentschite! TlPbAs2SbS6 P 21/n 2/m |
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II/E.13-45 Hutchinsonite (Pb,Tl)2As5S9 P bca 2/m 2/m 2/m |
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II/E.13-50 Lorandite TlAsS2 P 21/a 2/m |
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II/E.13-60 Weissbergite TlSbS2 P1 1 |
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II/E.13-70 Tvalchrelidzeite Hg12(Sb,As)8S15 P1 1 |
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II/E.13-80 Vaughanite TlHgSb4S7 P1 ? 1 |
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Other Edenharterite Information
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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 -Google Images
5 -Google Scholar
6 -Handbook of Mineralogy (UofA)
7 -MinDAT
8 -MinMax(Deutsch)
9 -MinMax(English)
10 -Mineralienatlas (Deutsch)
11 -QUT Mineral Atlas
12 -École des Mines de Paris
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Print or Cut-and-Paste your Edenharterite Specimen Label here :
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Edenharterite
TlPbAs3S6
Dana No: 3.7.10.2 Strunz No: II/E.13-42
Locality:
Notes:
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