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Auricupride

A valid IMA mineral species - grandfathered

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Auricupride

Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Auricupride

Karabash, Chelyabinsk Oblast, Russia

Auricupride

Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Auricupride

Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Auricupride

Karabash, Chelyabinsk Oblast, Russia

Auricupride

Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Auricupride

Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Auricupride

Karabash, Chelyabinsk Oblast, Russia

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About AuricuprideHide

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:

Auricupride Subgroup > Non-stoichiometric Perovskites Group > Perovskite Supergroup

Name:

Named after its chemical composition, being a natural alloy of Gold (Latin: aurum) and Copper (Latin: cuprum)

Type Locality:

ⓘ Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

Dimorph of:

Bogdanovite

Compare, e.g.: tetraauricupride, UM2001-05-E:AuCu, and UM2001-04-E:AgAuCu.

Unique IdentifiersHide

Mindat ID:

423

Long-form identifier:

mindat:1:1:423:3

Similar NamesHide

Aurocuproite

IMA Classification of AuricuprideHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Ramdohr, P. (1950) Neue Erzmineralien. Fortschritte der Mineralogie: 28: 69-70.

Classification of AuricuprideHide

Strunz-mindat (2026):

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

Dana 7th ed.:

1.1.2.1

Dana 8th ed.:

1.1.2.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group

Hey's CIM Ref.:

1.6

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Mineral SymbolsHide

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.

Symbol	Source	Reference for Standard
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 AuricuprideHide

Lustre:

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 AuricuprideHide

Mindat Formula:

Cu₃Au

Element Weights:

Element	% weight
Cu	49.184 %

Calculated from ideal end-member formula.

Elements listed:

Au, Cu - search for minerals with similar chemistry

Crystallography of AuricuprideHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Space Group:

Pm3m

Setting:

Pm3m

Cell Parameters:

a = 3.753(5) Å

Unit Cell V:

52.86 Å³ (Calculated from Unit Cell)

Morphology:

Massive, rims, irregular patches.

Crystal StructureHide

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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

data_global
_chemical_name_mineral 'Auricupride'
loop_
_publ_author_name
'Megaw H D'
_journal_name_full 'Crystal Structures'
_journal_volume 1973 
_journal_year 1973
_journal_page_first 89
_journal_page_last 90
_publ_section_title
;
 Copper-gold alloy, Cu3Au
;
_database_code_amcsd 0011894
_chemical_formula_sum 'Au Cu3'
_cell_length_a 3.74
_cell_length_b 3.74
_cell_length_c 3.74
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 52.314
_exptl_crystal_density_diffrn     12.303
_symmetry_space_group_name_H-M 'P m 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'z,-x,y'
  '-y,z,-x'
  'x,-y,z'
  '-z,x,-y'
  'y,-z,x'
  '-x,y,-z'
  'x,-z,-y'
  '-z,y,x'
  'y,-x,-z'
  '-x,z,y'
  'z,-y,-x'
  '-y,x,z'
  'x,z,y'
  '-z,-y,-x'
  'y,x,z'
  '-x,-z,-y'
  'z,y,x'
  '-y,-x,-z'
  'z,x,-y'
  '-y,-z,x'
  'x,y,-z'
  '-z,-x,y'
  'y,z,-x'
  '-x,-y,z'
  '-z,x,y'
  'y,-z,-x'
  '-x,y,z'
  'z,-x,-y'
  '-y,z,x'
  'x,-y,-z'
  '-x,z,-y'
  'z,-y,x'
  '-y,x,-z'
  'x,-z,y'
  '-z,y,-x'
  'y,-x,z'
  '-x,-z,y'
  'z,y,-x'
  '-y,-x,z'
  'x,z,-y'
  '-z,-y,x'
  'y,x,-z'
  '-z,-x,-y'
  'y,z,x'
  '-x,-y,-z'
  'z,x,y'
  '-y,-z,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Au   0.00000   0.00000   0.00000
Cu   0.00000   0.50000   0.50000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
- Å	()

Comments:

PXRD were not determined.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? 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 AuricuprideHide

Type Locality:

ⓘ Zolotaya Gora Au deposit, Soimon Valley, Karabash ophiolite massif, Karabash, Chelyabinsk Oblast, Russia

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 AuricuprideHide

French:Auricupride

German:Auricuprid

Japanese:オーリキュプライド

Norwegian:Auricuprid

Simplified Chinese:斜方金铜矿
斜方铜金矿

Varieties of AuricuprideHide

Argentocuproauride	Unnecessary name for an Argentian Cuproauride
Rozhkovite	A palladian variety of Auricupride.

Relationship of Auricupride to other SpeciesHide

Member of:

Auricupride Subgroup > Non-stoichiometric Perovskites Group > Perovskite Supergroup

Other Members of Auricupride Subgroup:

Cuproauride	Cu₃Au
Olgafrankite	Ni₃Ge	Iso. m3m(4/m32/m) : Pm3m

Common AssociatesHide

Associations Based on Photo Data:

4 photos of Auricupride associated with Native Gold	Au
1 photo of Auricupride associated with Quartz	SiO₂
1 photo of Auricupride associated with Arsenopyrite	FeAsS

Related Minerals - Strunz-mindat Grouping Hide

1.AA.	Jonlarsenite	Al₄Cu₉	Iso. 43m : P43m
1.AA.	Pratesiite	AgCuTe₂	Orth. mm2 : Pmm2
1.AA.05	Native Lead	Pb	Iso. m3m(4/m32/m) : Fm3m
1.AA.05a	Auricupride Subgroup
1.AA.05	Native Nickel	Ni	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Native Silver	Ag	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	'UM2004-08-E:AuCuPd'	Cu₂PdAu
1.AA.05	'UM1991-06-E:AuCu'	Au₃Cu
1.AA.05	Native Aluminium	Al	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Steinhardtite	Al_0.38Ni_0.32Fe_0.30	Iso. m3m(4/m32/m) : Im3m
1.AA.05	Native Gold	Au	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Native Copper	Cu	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Copper Group
1.AA.10a	Cuproauride	Cu₃Au
1.AA.10b	Tetra-auricupride	AuCu	Tet. 4/mmm(4/m2/m2/m) : P4/mmm
1.AA.10	Nickel Group
1.AA.15	Anyuiite	AuPb₂	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
1.AA.15	Novodneprite	AuPb₃	Tet. 42m : I42m
1.AA.15	'UM1985-02-E:AlZn'	(Zn,Cu)Al₂
1.AA.15	Khatyrkite	(Cu,Zn)Al₂	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
1.AA.20	Cupalite	(Cu,Zn)Al	Orth.
1.AA.25	Hunchunite	Au₂Pb	Iso. m3m(4/m32/m) : Fd3m
1.AA.30	Stolperite	AlCu	Iso. m3m(4/m32/m) : Pm3m
1.AA.35	Hollisterite	Al₃Fe	Mon. 2/m : B2/m
1.AA.40	Icosahedrite	Al₆₃Cu₂₄Fe₁₃	Icos. 53m : Fm35
1.AA.45	Kryachkoite	(Al,Cu)₆(Fe,Cu)	Orth. mm2 : Cmc2₁
1.AA.50	Proxidecagonite	Al₃₄Ni₉Fe₂	Orth. mmm(2/m2/m2/m) : Pnma

Other InformationHide

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 AuricuprideHide

mindat.org URL:

https://www.mindat.org/min-423.html
Please feel free to link to this page.

Search Engines:

Auricupride

About AuricuprideHide

Unique IdentifiersHide

Similar NamesHide

IMA Classification of AuricuprideHide

Classification of AuricuprideHide

Mineral SymbolsHide

Physical Properties of AuricuprideHide

Chemistry of AuricuprideHide

Crystallography of AuricuprideHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of AuricuprideHide

Other Language Names for AuricuprideHide

Varieties of AuricuprideHide

Relationship of Auricupride to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for AuricuprideHide

Related Minerals - Strunz-mindat Grouping Hide