Molysite Mineral Data

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

Advertisment
Your premier supplier of quality mineral specimens from Southern Africa and the world at large

General Molysite Information

Help on Chemical Formula: Chemical Formula: Fe+++Cl3
Help on Composition: Composition: Molecular Weight = 162.21 gm
   Iron      34.43 %  Fe   49.23 % Fe2O3
   Chlorine  65.57 %  Cl   65.57 % Cl
               -   %  Cl  -14.80 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+Cl3
Help on Environment: Environment: volcanic fumaroles.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1868
Help on Locality: Locality: Vesuvius, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for a stain, as it stains the host rock.
Help on Name Pronunciation: Name Pronunciation: Molysite Say MOLYSITE
 

Molysite Image

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

Molysite

Comments: Yellow earthy molysite coatings.
Location: Sasso Pisano, Pisa, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Molysite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.91554
Help on Cell Dimensions: Cell Dimensions: a = 5.92, c = 17.26, Z = 6; V = 523.86 Den(Calc)= 3.08
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.68(1), 2.08(0.4), 5.9(0.32),
Click Here for Large Molysite 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


Hashimoto S , Forster K , Moss S C , Journal of Applied Crystallography , 22 (1988) p.173-180, Structure refinement of an FeCl3 crystal using a thin plate sample, Locality: synthetic

 

Physical Properties of Molysite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Brownish red, Yellow, Purple red.
Help on Density: Density: 2.904
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Streak: Streak: brownish yellow
 

Optical Properties of Molysite

Help on Optical Data: Optical Data: Uniaxial (-), w=1.6.
 

Calculated Properties of Molysite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.92 gm/cc
note: Specific Gravity of Molysite =3.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0072991318
Boson Index = 0.9927008682
Help on Photoelectric: Photoelectric: PEMolysite = 14.93 barns/electron
U=PEMolysite x rElectron Density= 43.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Molysite is Not Radioactive
 

Molysite Classification
Help on Dana Class: Dana Class: 09.03.01.01 (09)Anhydrous and Hydrated Halides
  (09.03)Dana Type
  (09.03.01)Dana Group
 
09.03.01.01 Molysite FeCl3 R 3 3
Help on Strunz Class: Strunz Class: 03.AC.10 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AC -M:X = 1:3
 
03.AC.10 Molysite FeCl3 R 3 3
 

Other Molysite Information
Help on References: References: NAME( Ford32) 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 Molysite :
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 Molysite using:

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

Visit our Advertisers for Molysite :

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

Ask about Molysite 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 Molysite Specimen Label here :

Molysite

Fe+++Cl3
Dana No: 09.03.01.01 Strunz No: 03.AC.10
Locality:

 

Notes: