Vaughanite Mineral Data

Vaughanite Mineral Data
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General Vaughanite Information

Help on Chemical Formula: Chemical Formula: TlHgSb4S7
Help on Composition: Composition: Molecular Weight = 1,116.44 gm
   Thallium  18.31 %  Tl
   Mercury   17.97 %  Hg
   Antimony  43.62 %  Sb
   Sulfur    20.11 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: TlHgSb4S7
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Hemlo gold deposit, near Marathon, Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for David J. Vaughan (1946-), English mineralogist.
Help on Name Pronunciation: Name Pronunciation: Vaughanite + Pronunciation Say VAUGHANITE
 

Vaughanite Image

Click Here for Larger Vaughanite Image in a New Browser Window Images:
Click Here for Larger Vaughanite Image

Vaughanite   Paakkonenite   Stibarsen

Comments: B&W image of vaughanite (Va) aggregate surrounding a fibrous bundle of paakkonenite (Pfi) and associated with stibarsen (Star) and realgar (Re). Oil immersion. (CanMin, v53:369).
Location: Rare primary constituent of the Golden Giant orebody of the Hemlo gold deposit, Hemlo, Ontario, Canada. Scale: See Image.
© Canadian Mineralogist

Vaughanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6815:1:0.4466
Help on Cell Dimensions: Cell Dimensions: a = 9.012, b = 13.223, c = 5.906, Z = 2; alpha = 93.27°, beta = 95.05°, gamma = 109.16° V = 661.15 Den(Calc)= 5.61
Help on Crystal System: Crystal System: Triclinic - PedialH-M Symbol (1) Space Group: P1 ?
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.204(1), 3.313(0.6), 2.749(0.4),
 

Physical Properties of Vaughanite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Calculated Properties of Vaughanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.80 gm/cc
note: Specific Gravity of Vaughanite =5.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEVaughanite = 764.05 barns/electron
U=PEVaughanite x rElectron Density=3,669.20 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vaughanite is Not Radioactive
 

Vaughanite Classification
Help on Dana Class: Dana Class: 03.08.15.01 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.15)Dana Group
 
03.08.15.01 Vaughanite TlHgSb4S7 P1 ? 1
Help on Strunz Class: Strunz Class: 02.LA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LA -Without essential Pb
 
02.LA.20 Vaughanite TlHgSb4S7 P1 ? 1
 

Other Vaughanite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Vaughanite :
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 Vaughanite here :
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Print or Cut-and-Paste your Vaughanite Specimen Label here :

Vaughanite

TlHgSb4S7
Dana No: 03.08.15.01 Strunz No: 02.LA.20
Locality:

 

Notes: