Mineralogy Database

Hutchinsonite Mineral Data

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General Hutchinsonite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Tl)2As5S9
Help on Composition: Composition: Molecular Weight = 1,074.79 gm
   Thallium  19.02 %  Tl
   Arsenic   34.85 %  As
   Lead      19.28 %  Pb
   Sulfur    26.85 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PbTlAs5S9
Help on Environment: Environment: Hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1904
Help on Locality: Locality: Binnental, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arthur Hitchinson (1866-1937), Professor of Mineralogy, Cambridge University, England.
Help on Name Pronunciation: Name Pronunciation: Hutchinsonite + Pronunciation Say HUTCHINSONITE
Help on Synonym: Synonym: ICSD 74765
  PDF 42-1388
 

Hutchinsonite Image

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  Hutchinsonite

Comments: Dark, striated, prismatic crystal of hutchinsonite on matrix.
Location: Quiruvica, La Libertad Dept., Peru. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Hutchinsonite

Comments: Aggregate of red colored needles of hutchinsonite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 6 mm.
© Walter Gabriel

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  Hutchinsonite

Comments: Transparent, striated, cherry-red crystal of hutchinsonite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 1 mm.
© Walter Gabriel

Hutchinsonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3055:1:0.2307
Help on Cell Dimensions: Cell Dimensions: a = 10.78, b = 35.28, c = 8.14, Z = 8; V = 3,095.79 Den(Calc)= 4.61
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.74(1), 3.78(0.7), 3.05(0.6),
Help on Forms: Forms:

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Help on Above

Forms: ( 0 3 1) ( 4 5 0) ( 0 1 0) ( 0 2 1) ( 2 1 0) ( 4 3 0) ( 0 1 1) ( 1 1 0) ( 4 1 0) ( 1 0 0) ( 2 3 2)

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Physical Properties of Hutchinsonite

Help on Cleavage: Cleavage: {100} Good
Help on Color: Color: Cherry red, Pink, Black.
Help on Density: Density: 4.6
Help on Diaphaneity: Diaphaneity: Subtranslucent to opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: red
 

Optical Properties of Hutchinsonite

Help on Optical Data: Optical Data: Biaxial (-), a=3.078, b=3.176, g=3.188, bire=0.1100, 2V(Calc)=36, 2V(Meas)=37.4. Dispersion marked to extreme, r < v.
Help on RL Anisotrophism: RL Anisotrophism: Strong.
 

Calculated Properties of Hutchinsonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.05 gm/cc
note: Specific Gravity of Hutchinsonite =4.61 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEHutchinsonite = 682.62 barns/electron
U=PEHutchinsonite x rElectron Density=2,763.93 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hutchinsonite is Not Radioactive
 

Hutchinsonite Classification

Help on  Dana Class: Dana Class: 03.08.06.01 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.06)Dana Group
 
03.08.06.01 Hutchinsonite (Pb,Tl)2As5S9 P bca 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.HD.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HD -With Tl
 
02.HD.45 Hutchinsonite (Pb,Tl)2As5S9 P bca 2/m 2/m 2/m
 

Other Hutchinsonite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Hutchinsonite :
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 - HyperPhysics
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Hutchinsonite Specimen Label here :

Hutchinsonite

(Pb,Tl)2As5S9
Dana No: 03.08.06.01 Strunz No: 02.HD.45
Locality:

 

Notes: