Orickite Mineral Data

General Orickite Information

Chemical Formula:

CuFeS2•(H2O)

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 %

Empirical Formula:

CuFe²⁺S₂•(H₂O)

Environment:

Mafic alkalic diatreme.

IMA Status:

Approved IMA 1983

Locality:

Coyote Peak diatreme, 16 miles SW of Orick, Santa Cruz Co., California. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Orickite

Orickite Image

Images:

Orickite

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

Axial Ratios:

a:c = 1:1.66711

Cell Dimensions:

a = 3.695, c = 6.16, Z = 1; V = 72.84 Den(Calc)= 4.59

Crystal System:

HexagonalSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.08(1), 3.2(0.9), 2.84(0.6),

Physical Properties of Orickite

Cleavage:

{001} Good

Color:

Brass yellow.

Density:

4.212

Diaphaneity:

Opaque

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Magnetism:

Weakly magnetic

Streak:

black

Optical Properties of Orickite

RL Anisotrophism:

Strong, from grayish brown to grayish blue.

RL Pleochroism:

Weak, pale yellow to slightly deeper yellow.

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**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	260%
R

Calculated Properties of Orickite

Electron Density:

Bulk Density (Electron Density)=4.42 gm/cc
note: Specific Gravity of Orickite =4.59 gm/cc.

Fermion Index:

Fermion Index = 0.0083007153
Boson Index = 0.9916992847

Photoelectric:

PE_Orickite= 23.88 barns/electron
U=PE_Orickite x rElectron Density= 105.53 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Orickite is Not Radioactive

Orickite Classification

Dana Class:

02.14.07.01 (02)Sulfides - Including Selenides and Tellurides

(02.14)(Hydroxyl or Hydrated)

(02.14.07)Dana Group

02.14.07.01 Orickite CuFeS2•(H2O) Unk Hex

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

References:

NAME( MinRec) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

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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Ask about Orickite here :
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Print or Cut-and-Paste your Orickite Specimen Label here :

Orickite

CuFeS2•(H2O)
Dana No: 02.14.07.01 Strunz No: 02.FB.15
Locality:

Notes: