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 - HexoctahedralH-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),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Megaw H D , Crystal Structures , 1973 (1973) p.89-90, Copper-gold alloy, Cu3Au

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

Search for Auricupride using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Auricupride :

A Bijoux Google Search for Auricupride
Adam's Minerals Google Search for Auricupride
Cape Minerals Google Search for Auricupride
Dakota Matrix Minerals Google Search for Auricupride
Excalibur Mineral Corp. Google Search for Auricupride
Exceptional Minerals Google Search for Auricupride
John Betts Fine Minerals Search for Auricupride
McDougall Minerals Google Search for Auricupride
Mineral News Website Link
Rock and Mineral Shows Google Search for Auricupride
Weinrich Minerals, Inc. Google Search for Auricupride

Ask about Auricupride here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: