Coyoteite Mineral Data

Coyoteite Mineral Data
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General Coyoteite Information

Help on Chemical Formula: Chemical Formula: NaFe3S5•2(H2O)
Help on Composition: Composition: Molecular Weight = 386.89 gm
   Sodium     5.94 %  Na
   Iron      43.30 %  Fe
   Hydrogen   1.04 %  H
   Sulfur    41.44 %  S
   Oxygen     8.27 %  O
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: NaFe2+3S5•2(H2O)
Help on Environment: Environment: Mafic alkalic diatreme.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Coyote Peak diatreme, 16 miles SW of Orick, Humboldt Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
 

Coyoteite Image

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

Coyoteite

Comments: Black and white image of a polished section showing coyoteite crystals showing chevron pattern developed by opposing cleavage sets. Continuous parallel lines are polishing scratches. (AmMin 68:252).
Location: Coyote Peak mafic alkalic diatreme near Orick, Humboldt County, California. USA. Scale: Image size 0.26 mm.
© American Mineralogist

Coyoteite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7498:1:0.6518
Help on Cell Dimensions: Cell Dimensions: a = 7.409, b = 9.881, c = 6.441, Z = 2; alpha = 100.417°, beta = 104.617°, gamma = 81.483° V = 443.80 Den(Calc)= 2.90
Help on Crystal System: Crystal System: TriclinicSpace Group: P1,P 1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.12(1), 7.13(0.9), 3.028(0.8),
 

Physical Properties of Coyoteite

Help on Cleavage: Cleavage: {111} Perfect, {111} Perfect, {111} Perfect
Help on Color: Color: Black.
Help on Density: Density: 2.879
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Moderately Magnetic
Help on Streak: Streak: black
 

Optical Properties of Coyoteite

Help on RL Anisotrophism: RL Anisotrophism: Strong, colors from gray to dull golden orange.
Help on RL Color: RL Color: Pale brownish gray with a pink tint.
Help on RL Pleochroism: RL Pleochroism: Faint, from gray to pink.
 

Calculated Properties of Coyoteite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Coyoteite =2.88 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PECoyoteite = 15.21 barns/electron
U=PECoyoteite x rElectron Density= 42.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Coyoteite is Not Radioactive
 

Coyoteite Classification
Help on Dana Class: Dana Class: 02.14.06.01 (02)Sulfides - Including Selenides and Tellurides
  (02.14)(Hydroxyl or Hydrated)
  (02.14.06)Dana Group
 
02.14.06.01 Coyoteite NaFe3S5•2(H2O) P1,P 1 Tri
Help on Strunz Class: Strunz Class: 02.FD.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FD -With O, OH, H2O
 
02.FD.25 Coyoteite NaFe3S5•2(H2O) P1,P 1 Tri
 

Other Coyoteite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Coyoteite :
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

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

Coyoteite

NaFe3S5•2(H2O)
Dana No: 02.14.06.01 Strunz No: 02.FD.25
Locality:

 

Notes: