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
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 IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Auc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC 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 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Massive, rims, irregular patches.
Crystal Structure
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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 |
|---|---|
| - Å | () |
Comments:
PXRD were not determined.
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 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 µm, irregular patches, and platy aggregations.
Reference:
Ramdohr, P. (1950) Neue erzmineralien. Fortschritte der Mineralogie: 28: 69-70.
Other Language Names for Auricupride
Varieties of Auricupride
| Argentocuproauride | Unnecessary name for an Argentian Cuproauride |
| Rozhkovite | A palladian variety of Auricupride. |
Relationship of Auricupride to other Species
Other Members of this group:
| Cuproauride | Cu3Au |
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.
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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
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Sureda |
Australia | |
| Bottrill et al. (2008) |
Brazil | |
| Cabral et al. (2014) |
Canada | |
| Knipe et al. (1997) |
Chile | |
| extraLapis no.2 |
Cyprus | |
| Mineralogical Society of America - ... |
| Mineralogical Society of America - ... |
Czech Republic | |
| Velebil +5 other references |
Georgia | |
| Kekelia et al. (2017) |
Greece | |
| Tarkian et al. (1992) |
| Argyrios Kapsiotis et al. (2010) |
Greenland | |
| Nielsen et al. (2015) |
| Rudashevsky et al. (2023) | |
Kazakhstan | |
| Dyussembayeva et al. (2013) |
Portugal | |
| Dias et al. (2006) |
Romania | |
| Udubaªa et al. (2006) |
| Udubaªa et al. (2006) |
Russia | |
| Sklyarov et al. (2016) +1 other reference |
| Sklyarov et al. (2016) | |
| Michurin et al. (2024) |
| Pekov (1998) |
| Pekov (1998) +2 other references | |
| Shvedov et al. (2017) +1 other reference |
| Sandimirova et al. (2014) |
| Fleischer et al. (1977) |
| Mineralogical Society of America - ... | |
| Kalugin et al. (2021) | |
| Bazai et al. (2009) |
| Bazai et al. (2009) | |
| Kazachenko et al. (2013) |
| Chernikov et al. (2007) |
| Murzin et al. (2009) |
| Palyanova et al. (2018) |
| Murzin et al. (2022) |
South Africa | |
| extraLapis no. 2 |
| extraLapis 2:43 |
| Holwell et al. (2006) +1 other reference |
Switzerland | |
| Beda Hofmann (1986) |
| Stalder et al. (1998) | |
Tanzania | |
| Wilhelmij et al. (2016) |
Quick NavTopAbout AuricuprideUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesVarietiesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia