Smythite Mineral Data

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


General Smythite Information

Help on Chemical Formula: Chemical Formula: (Fe,Ni)9S11 or (Fe,Ni)13S16
Help on Composition: Composition: Molecular Weight = 861.75 gm
   Iron    43.74 %  Fe
   Nickel  15.32 %  Ni
   Sulfur  40.93 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+6.75Ni2.25S11
Help on Environment: Environment: Low temperature oxidation product of the strongly magnetic monoclinic phase of pyrrhotite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Bloomington quarry, Monroe County, Indiana, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Charles Henry Smyth (1866-1937), economic geologist and petrologist of Princeton University, New Jersey, USA.
Help on Name Pronunciation: Name Pronunciation: Smythite Say SMYTHITE
Help on Synonym: Synonym: ICSD 42537
  PDF 10-437
 

Smythite Image

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

Smythite

Comments: Dull metallic massive smythite with pyrite. Part of drillcore.
Location: Helena, Boulder Co., Montana, USA. Scale: Specimen Size 2.5x3 cm.
© Diederik Visser

Smythite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:9.94236
Help on Cell Dimensions: Cell Dimensions: a = 3.47, c = 34.5, Z = 1; V = 359.76 Den(Calc)= 3.98
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 11.5(1), 2.994(0.31), 2.566(0.25),
Click Here for Large Smythite 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


Erd R C , Evans H T , Richter D H , American Mineralogist , 42 (1957) p.309-333, Smythite, a new iron sulfide, and associated pyrrhotite from Indiana

 

Physical Properties of Smythite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Brownish black, Light bronze.
Help on Density: Density: 4.32
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Hexagonal - Six-sided crystal shape in cross-section or habit.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Thin - Flat dimensioned crystals.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Ferromagnetic
Help on Streak: Streak: dark gray
 

Optical Properties of Smythite

Help on RL Anisotrophism: RL Anisotrophism: Strong, in yellow and blue-gray.
Help on RL Color: RL Color: Pinkish cream.
Help on RL Pleochroism: RL Pleochroism: Strong, from grayish yellow to reddish brown.
 

Calculated Properties of Smythite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.83 gm/cc
note: Specific Gravity of Smythite =3.98 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESmythite = 21.59 barns/electron
U=PESmythite x rElectron Density= 82.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Smythite is Not Radioactive
 

Smythite Classification
Help on Dana Class: Dana Class: 02.08.10.02 (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.10)Dana Group
 
02.08.10.01 Pyrrhotite Fe(1-x)S(x=0-0.17) A2/a 2/m
 
02.08.10.02 Smythite (Fe,Ni)9S11or(Fe,Ni)13S16 R 3m 3 2/m
Help on Strunz Class: Strunz Class: 02.CC.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CC -With Ni, Fe, Co, PGE, etc.
 
02.CC.10 Smythite (Fe,Ni)9S11or(Fe,Ni)13S16 R 3m 3 2/m
 
02.CC.10 Pyrrhotite Fe(1-x)S(x=0-0.17) A2/a 2/m
 
02.CC.10 Troilite FeS P 63/mmc 6/m 2/m 2/m
 

Other Smythite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Smythite :
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 Smythite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Smythite :

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

Ask about Smythite 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 Smythite Specimen Label here :

Smythite

(Fe,Ni)9S11 or (Fe,Ni)13S16
Dana No: 02.08.10.02 Strunz No: 02.CC.10
Locality:

 

Notes: