Auricupride
A valid IMA mineral species - grandfathered
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About Auricupride
Formula:
Cu3Au
Colour:
Yellow with a reddish tint; in reflected light, violet-rose
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
11.5
Crystal System:
Isometric
Member of:
Name:
Type Locality:
Dimorph of:
Unique Identifiers
Mindat ID:
423
Long-form identifier:
mindat:1:1:423:3
GUID
(UUID V4):
(UUID V4):
263491bd-f954-40d2-b058-3cd1cc79785f
IMA Classification of Auricupride
Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of Auricupride
1.AA.10a
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
Dana 7th ed.:
1.1.2.1
1.1.2.1
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.6
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Auc | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Aur | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Auricupride
Metallic
Transparency:
Opaque
Colour:
Yellow with a reddish tint; in reflected light, violet-rose
Hardness:
3½ on Mohs scale
Hardness:
VHN10=54 kg/mm2 - Vickers
Density:
11.5 g/cm3 (Measured) 13.77 g/cm3 (Calculated)
Chemistry of Auricupride
Mindat Formula:
Cu3Au
Elements listed:
Crystallography of Auricupride
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Pm3m
Setting:
Pm3m
Cell Parameters:
a = 3.753(5) Å
Unit Cell V:
52.86 Ă
Âł (Calculated from Unit Cell)
Z:
1
Morphology:
Massive, rims, irregular patches.
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0011894 | Auricupride | Megaw H D (1973) Copper-gold alloy, Cu3Au Crystal Structures 1973 89-90 | 1973 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
- Ă | () |
Comments:
PXRD were not determined.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
38 : Ophiolites |
Geological Setting:
Serpentinites
Type Occurrence of Auricupride
General Appearance of Type Material:
Massive, as rims less than 100 ”m, irregular patches, and platy aggregations.
Reference:
Ramdohr, P. (1950) Neue erzmineralien. Fortschritte der Mineralogie: 28: 69-70.
Other Language Names for Auricupride
German:Auricuprid
Japanese:ăȘăŒăȘăă„ăă©ă€ă
Simplified Chinese:ææčééçż
ææčééçż
ææčééçż
Varieties of Auricupride
Argentocuproauride | Unnecessary name for an Argentian Cuproauride |
Rozhkovite | A palladian variety of Auricupride. |
Relationship of Auricupride to other Species
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
1.AA.05 | Aluminium | Al |
1.AA.05 | Copper | Cu |
1.AA.05 | Gold | Au |
1.AA.05 | Lead | Pb |
1.AA.05 | Nickel | Ni |
1.AA.05 | Silver | Ag |
1.AA.05 | UM2004-08-E:AuCuPd | Cu2PdAu |
1.AA.05 | UM1991-06-E:AuCu | Au3Cu |
1.AA.05 | Copper Group | |
1.AA.05 | Steinhardtite | Al0.38Ni0.32Fe0.30 |
1.AA.05a | Auricupride Subgroup | |
1.AA.10b | Tetra-auricupride | AuCu |
1.AA.10a | Cuproauride | Cu3Au |
1.AA.10 | Nickel Group | |
1.AA.15 | Anyuiite | AuPb2 |
1.AA.15 | Khatyrkite | (Cu,Zn)Al2 |
1.AA.15 | Novodneprite | AuPb3 |
1.AA.15 | UM1985-02-E:AlZn | (Zn,Cu)Al2 |
1.AA.20 | Cupalite | (Cu,Zn)Al |
1.AA.25 | Hunchunite | Au2Pb |
1.AA.30 | Stolperite | AlCu |
1.AA.35 | Hollisterite | Al3Fe |
1.AA.40 | Icosahedrite | Al63Cu24Fe13 |
1.AA.45 | Kryachkoite | (Al,Cu)6(Fe,Cu) |
1.AA.50 | Proxidecagonite | Al34Ni9Fe2 |
Other Information
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 Auricupride
mindat.org URL:
https://www.mindat.org/min-423.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Auricupride
Reference List:
Ramdohr, Paul (1969) The Ore Minerals and their Intergrowths. Pergamon Press, Oxford. 1174pp. doi:10.1016/c2013-0-10027-x
Fleischer, Michael, Cabri, Louis J., Nickel, Ernest H., Pabst, Adolf (1977) New Mineral Names. American Mineralogist, 62 (5-6) 593-600 p.595
Localities for Auricupride
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
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Czech Republic | |
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Georgia | |
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Greece | |
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Greenland | |
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Kazakhstan | |
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Portugal | |
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Romania | |
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Russia | |
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| Barkov, Andrei Y., Bindi, Luca, Tamura, Nobumichi, Shvedov, Gennadiy I., Winkler, Björn, Stan, Camelia V., Morgenroth, Wolfgang, Martin, Robert F., Zaccarini, Federica, Stanley, Christopher J. (2019) Ognitite, NiBiTe, a new mineral species, and Co-rich maucherite from the Ognit ultramafic complex, Eastern Sayans, Russia. Mineralogical Magazine, 83 (5) 695-703 doi:10.1180/mgm.2019.31 |
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South Africa | |
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Tanzania | |
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Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia