Orickite
A valid IMA mineral species
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About Orickite
Formula:
2CuFeS2 · H2O
Contains small amounts of Na, K and O.
Colour:
Brass yellow
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
4.212 (Calculated)
Crystal System:
Hexagonal
Name:
Named by R.C. Erd and G.K. Czamanske in 1983 for the town of Orick, California, near the type locality.
This page provides mineralogical data about Orickite.
Unique Identifiers
Mindat ID:
3016
Long-form identifier:
mindat:1:1:3016:4
GUID
(UUID V4):
(UUID V4):
69bd8495-41cb-4dfe-9948-17f072f6b5dc
IMA Classification of Orickite
Approved
IMA Formula:
CuFeS2 · nH2O
First published:
1983
Classification of Orickite
2.FB.15
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
B : With alkalies (without Cl, etc.)
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
B : With alkalies (without Cl, etc.)
2.14.7.1
2 : SULFIDES
14 : Hydroxysulfides and Hydrated Sulfides
2 : SULFIDES
14 : Hydroxysulfides and Hydrated Sulfides
3.1.32
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Ori | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Orickite
Metallic
Transparency:
Opaque
Colour:
Brass yellow
Streak:
Black
Hardness:
3½ on Mohs scale
Cleavage:
Distinct/Good
Good on {100}
Good on {100}
Fracture:
Conchoidal
Density:
4.212 g/cm3 (Calculated)
Optical Data of Orickite
Anisotropism:
Strong, grayish brown to grayish blue
Reflectivity:
Wavelength | R |
---|---|
470nm | 34.7% |
546nm | 39.9% |
589nm | 42.8% |
650nm | 46.9% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 46.9%.
Pleochroism:
Weak
Comments:
Pale yellow to slightly deeper yellow
Chemistry of Orickite
Mindat Formula:
2CuFeS2 · H2O
Contains small amounts of Na, K and O.
Contains small amounts of Na, K and O.
Common Impurities:
Na,K
Crystallography of Orickite
Crystal System:
Hexagonal
Cell Parameters:
a = 3.695(1) Å, c = 6.16(1) Å
Ratio:
a:c = 1 : 1.667
Unit Cell V:
72.84 ų (Calculated from Unit Cell)
Z:
4
Comment:
Point Group: n.d.; Space Group: n.d.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.20 Å | (90) |
3.08 Å | (100) |
2.84 Å | (60) |
2.20 Å | (20) |
1.85 Å | (70) |
1.73 Å | (55) |
1.583 Å | (30) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Orickite
General Appearance of Type Material:
Small laths of approximately 15 x 150 µm.
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 15033.
Geological Setting of Type Material:
Mafic alkalic diatreme.
Associated Minerals at Type Locality:
Reference:
Erd, R.C., Czamanske, G.K. (1983) Orickite and coyoteite, two new sulfide minerals from Coyote Peak, Humboldt Co., California. American Mineralogist: 68: 245–254.
Synonyms of Orickite
Other Language Names for Orickite
Related Minerals - Strunz-mindat Grouping
2.FB.05 | Caswellsilverite | NaCrS2 |
2.FB.05 | Schöllhornite | Na0.3CrS2 · H2O |
2.FB.05 | Cronusite | Ca0.2CrS2 · 2 H2O |
2.FB.10 | Chvilevaite | Na(Cu,Fe,Zn)2S4 |
2.FB.20 | Rasvumite | KFe2S3 |
2.FB.20 | Pautovite | CsFe2S3 |
2.FB.25 | Colimaite | K3VS4 |
Other Information
Notes:
Weakly magnetic.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Orickite
mindat.org URL:
https://www.mindat.org/min-3016.html
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Please feel free to link to this page.
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References for Orickite
Reference List:
Erd, Richard C., Czamanske, Gerald K. (1983) Orickite and coyoteite, two new sulfide minerals from Coyote Peak, Humboldt County, California. American Mineralogist, 68 (1-2) 245-254
Localities for Orickite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Germany | |
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Italy | |
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Portugal | |
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Russia | |
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USA (TL) | |
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Shaft 371, Hartenstein, Zwickau District, Saxony, Germany