Hutchinsonite Mineral Data

General Hutchinsonite Information

Chemical Formula:

(Pb,Tl)2As5S9

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 %

Empirical Formula:

PbTlAs₅S₉

Environment:

Hydrothermal origin.

IMA Status:

Valid Species (Pre-IMA) 1904

Locality:

Binnental, Valais, Switzerland. Link to MinDat.org Location Data.

Name Origin:

Named for Arthur Hitchinson (1866-1937), Professor of Mineralogy, Cambridge University, England.

Name Pronunciation:

Hutchinsonite + Pronunciation

Synonym:

ICSD 74765

PDF 42-1388

Hutchinsonite Image

Images:

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

Images:

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

Images:

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

Axial Ratios:

a:b:c =0.3055:1:0.2307

Cell Dimensions:

a = 10.78, b = 35.28, c = 8.14, Z = 8; V = 3,095.79 Den(Calc)= 4.61

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca

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

By Intensity(I/I_o): 2.74(1), 3.78(0.7), 3.05(0.6),

Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
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)

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Takeuchi Y , Ghose S , Nowacki W , Zeitschrift fur Kristallographie , 121 (1965) p.321-348, The crystal structure of hutchinsonite, (Tl,Pb)2As5S9, Locality: Lengenbach, Binnatal, Valais, Switzerland

Physical Properties of Hutchinsonite

Cleavage:

{100} Good

Color:

Cherry red, Pink, Black.

Density:

4.6

Diaphaneity:

Subtranslucent to opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Acicular - Occurs as needle-like crystals.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

1.5-2 - Talc-Gypsum

Luster:

Sub Metallic

Streak:

red

Optical Properties of Hutchinsonite

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.

RL Anisotrophism:

Strong.

Calculated Properties of Hutchinsonite

Electron Density:

Bulk Density (Electron Density)=4.05 gm/cc
note: Specific Gravity of Hutchinsonite =4.61 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_{Hutchinsonite}= 682.62 barns/electron
U=PE_{Hutchinsonite} x rElectron Density=2,763.93 barns/cc.

Radioactivity:

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

Hutchinsonite Classification

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

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

References:

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

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

Search for Hutchinsonite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Hutchinsonite :

A Bijoux Google Search for Hutchinsonite
Adam's Minerals Google Search for Hutchinsonite
Cape Minerals Google Search for Hutchinsonite
Dakota Matrix Minerals Google Search for Hutchinsonite
Excalibur Mineral Corp. Google Search for Hutchinsonite
Exceptional Minerals Google Search for Hutchinsonite
John Betts Fine Minerals Search for Hutchinsonite
McDougall Minerals Google Search for Hutchinsonite
Mineral News Website Link
Rock and Mineral Shows Google Search for Hutchinsonite
Weinrich Minerals, Inc. Google Search for Hutchinsonite

Ask about Hutchinsonite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: