Ellisite Mineral Data

Ellisite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Dakota Matrix
[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery]
Dakota Matrix Minerals
Updated weekly, for the collector, educator, and researcher since 1996
Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome


General Ellisite Information

Help on Chemical Formula: Chemical Formula: Tl3AsS3
Help on Composition: Composition: Molecular Weight = 784.27 gm
   Thallium  78.18 %  Tl
   Arsenic    9.55 %  As
   Sulfur    12.27 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Tl3AsS3
Help on Environment: Environment: In a hydrothermal gold deposit, in mineralized, argillaceous, carbonaceous dolomite beds.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Carlin gold deposit, Eureka County, Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Albert J. Ellis (1929-), New Zealand geochemist.
Help on Name Pronunciation: Name Pronunciation: Ellisite Say ELLISITE
Help on Synonym: Synonym: ICSD 100292
  PDF 35-723
 

Ellisite Image

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

Ellisite

Comments: SEM image of ellisite grains showing rhombohedral cleavage fragments. (AmMin, v64,701).
Location: Mineralized laminated carbonaceous dolomite beds in the Carlin gold deposit, Eureka County, Nevada, USA. Scale: See Image.
© American Mineralogist

Ellisite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.78278
Help on Cell Dimensions: Cell Dimensions: a = 12.324, c = 9.647, Z = 7; V = 1,268.90 Den(Calc)= 7.18
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.669(1), 3.214(0.53), 5.333(0.37),
Click Here for Large Ellisite Structure Window 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


Gostojic M , Zeitschrift fur Kristallographie , 151 (1980) p.249-254, Die kristallstruktur von synthetischem ellisit, Tl3AsS3, Locality: synthetic, Note: anisob s corrected to match reported Biso s

 

Physical Properties of Ellisite

Help on Cleavage: Cleavage: {1011} Perfect, {1011} Perfect, {1011} Perfect
Help on Color: Color: Dark gray.
Help on Density: Density: 7.1
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Hackly - Jagged, torn surfaces, (e.g. fractured metals).
Help on Habit: Habit: Rhombohedral Crystals - Occurs as well-formed crystals showing rhobohedral crystals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Metallic
Help on Streak: Streak: pale brown
 

Optical Properties of Ellisite

Help on Optical Data: Optical Data:
Help on RL Anisotrophism: RL Anisotrophism: Blue-purple to red-purple to brownish orange.
Help on RL Color: RL Color: Light gray with a purplish tint with deep red to deep orange-red internal reflections.
Help on RL Pleochroism: RL Pleochroism: Very weak, in colors from light purplish gray to light pinkish gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Ellisite in Air
λ R  ∑ R(λ) 
 470 nm   31.70   
 546 nm   29.20 
 589 nm   28.90 
 650 nm   28.30 
Calculated Relative Intensity Colors of Ellisite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 310%
R                    
 

Calculated Properties of Ellisite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.93 gm/cc
note: Specific Gravity of Ellisite =7.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0009199452
Boson Index = 0.9990800548
Help on Photoelectric: Photoelectric: PEEllisite =1,399.96 barns/electron
U=PEEllisite x rElectron Density=8,305.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ellisite is Not Radioactive
 

Ellisite Classification
Help on Dana Class: Dana Class: 03.04.09.01 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.09)Dana Group
 
03.04.09.01 Ellisite Tl3AsS3 R 3m 3m
Help on Strunz Class: Strunz Class: 02.JC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JC -Galena derivatives, with Tl
 
02.JC.05 Ellisite Tl3AsS3 R 3m 3m
 

Other Ellisite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Ellisite :
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
15 - WWW-MINCRYST

Search for Ellisite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ellisite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Ellisite Mineral Data :

Ask about Ellisite 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 Espaņol

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

Ellisite

Tl3AsS3
Dana No: 03.04.09.01 Strunz No: 02.JC.05
Locality:

 

Notes: