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Orickite Mineral Data

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General Orickite Information

Help on Chemical  Formula: Chemical Formula: CuFeS2•(H2O)
Help on Composition: Composition: Molecular Weight = 201.54 gm
   Iron      27.71 %  Fe
   Copper    31.53 %  Cu
   Hydrogen   1.00 %  H
   Sulfur    31.82 %  S
   Oxygen     7.94 %  O
            100.00 % 
Help on Empirical Formula: Empirical Formula: CuFe2+S2•(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, Santa Cruz Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Orickite Say ORICKITE

Orickite Image

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Comments: Black and white image of a polished section showing intergrown crystals of orickite in sodalite (dark). (AmMin 68:246).
Location: Mafic alkalic diatreme at Coyote Peak near Orick, Humboldt County, California, USA. Scale: Image size 0.44 mm.
© American Mineralogist

Orickite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.66711
Help on Cell Dimensions: Cell Dimensions: a = 3.695, c = 6.16, Z = 1; V = 72.84 Den(Calc)= 4.59
Help on Crystal System: Crystal System: Hexagonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.08(1), 3.2(0.9), 2.84(0.6),

Physical Properties of Orickite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Brass yellow.
Help on Density: Density: 4.212
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Weakly magnetic
Help on Streak: Streak: black

Optical Properties of Orickite

Help on RL Anisotrophism: RL Anisotrophism: Strong, from grayish brown to grayish blue.
Help on RL Pleochroism: RL Pleochroism: Weak, pale yellow to slightly deeper yellow.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Orickite in Air
λ R  ∑ R(λ) 
 470 nm   34.70   
 546 nm   39.90 
 589 nm   42.80 
 650 nm   46.90 
Calculated Relative Intensity Colors of Orickite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 260%

Calculated Properties of Orickite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.42 gm/cc
note: Specific Gravity of Orickite =4.59 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0083007153
Boson Index = 0.9916992847
Help on Photoelectric: Photoelectric: PEOrickite = 23.88 barns/electron
U=PEOrickite x rElectron Density= 105.53 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Orickite is Not Radioactive

Orickite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.14)(Hydroxyl or Hydrated)
  (02.14.07)Dana Group Orickite CuFeS2•(H2O) Unk Hex
Help on  Strunz Class: Strunz Class: 02.FB.15 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.FB -With Alkalies (without Cl, etc.)
02.FB.15 Orickite CuFeS2•(H2O) Unk Hex

Other Orickite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Orickite :
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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Dana No: Strunz No: 02.FB.15





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