|
|
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: |
Hexagonal Space Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 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: |
PEOrickite = 23.88 barns/electron U=PEOrickite 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
Search for Orickite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Orickite :
Ask about Orickite 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 Orickite Specimen Label here :
Orickite
CuFeS2•(H2O)
Dana No: 02.14.07.01 Strunz No: 02.FB.15
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.