Auricupride Mineral Data

General Auricupride Information

Chemical Formula:

Cu3Au

Composition:

Molecular Weight = 387.60 gm

Copper 49.18 % Cu

Gold 50.82 % Au

______

100.00 %

Empirical Formula:

Cu₃Au

Environment:

Occurs in serpentinites as a low temperature un-mixing of Au-Cu alloys.

IMA Status:

Valid Species (Pre-IMA) 1950

Locality:

Karabaseh and Talnakh deposits, Ural Mountains, Russia. Link to MinDat.org Location Data.

Name Origin:

Named after its composition of Au and Cu.

Name Pronunciation:

Auricupride + Pronunciation

Synonym:

ICSD 40351

PDF 35-1357

Rozhkovite - Pd-bearing auricupride

Auricupride Image

Images:

Auricupride

Comments: Golden metallic veins of auricupride in quartz.
Location: Vacos Hielados, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Auricupride Crystallography

Axial Ratios:

a:: =0.0879:1:0.0899

Cell Dimensions:

a = 3.753, = 42.68, = 3.84, Z = 11; V = 615.08 Den(Calc)= 11.51

Crystal System:

Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.23(1), 1.92(0.7), 1.94(0.7),

Physical Properties of Auricupride

Cleavage:

None

Color:

Bronze, Copper.

Density:

11.5

Diaphaneity:

Opaque

Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Habit:

Ductile - Grains deform from mechanical stress. Characteristic of metals.

Habit:

Platy - Sheet forms (e.g. micas).

Hardness:

2-3 - Gypsum-Calcite

Luminescence:

Non-fluorescent.

Luster:

Metallic

Streak:

yellow

Optical Properties of Auricupride

RL Color:

Violet rose.

Calculated Properties of Auricupride

Electron Density:

Bulk Density (Electron Density)=9.86 gm/cc
note: Specific Gravity of Auricupride =11.5 gm/cc.

Fermion Index:

Fermion Index = 0
Boson Index = 1

Photoelectric:

PE_Auricupride= 831.18 barns/electron
U=PE_Auricupride x rElectron Density=8,194.43 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Auricupride is Not Radioactive

Auricupride Classification

Dana Class:

01.01.02.01 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.02)Auricupride Group

01.01.02.01 Auricupride Cu3Au P m3m 4/m 3 2/m

01.01.02.02 Tetra-auricupride AuCu P 4/mmm 4/m 2/m 2/m

01.01.02.03 Yuanjiangite AuSn P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

01.AA.10a 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AA -Copper-cupalite family

01.AA.10a Auricupride Cu3Au P m3m 4/m 3 2/m

Other Auricupride Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Auricupride :
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

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Print or Cut-and-Paste your Auricupride Specimen Label here :

Auricupride

Cu3Au
Dana No: 01.01.02.01 Strunz No: 01.AA.10a
Locality:

Notes:

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