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Auricupride Mineral Data
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General Auricupride Information
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Chemical Formula: |
Cu3Au |
Composition: |
Molecular Weight = 387.60 gm |
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Copper 49.18 % Cu |
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Gold 50.82 % Au |
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______ |
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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 |
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PDF 35-1357 |
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Rozhkovite - Pd-bearing auricupride |
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Auricupride Image |
Images:
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Auricupride Crystallography
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 2.23(1), 1.92(0.7), 1.94(0.7), |
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Physical Properties of Auricupride
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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 |
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Optical Properties of Auricupride
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RL Color: |
Violet rose. |
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Calculated Properties of Auricupride
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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: |
PEAuricupride = 831.18 barns/electron U=PEAuricupride x rElectron Density=8,194.43 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Auricupride is Not Radioactive |
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Auricupride Classification
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Dana Class: |
01.01.02.01 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.02)Auricupride Group |
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01.01.02.01 Auricupride Cu3Au P m3m 4/m 3 2/m |
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01.01.02.02 Tetra-auricupride AuCu P 4/mmm 4/m 2/m 2/m |
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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) |
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01.A - Metals and Intermetallic Alloys |
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01.AA -Copper-cupalite family |
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01.AA.10a Auricupride Cu3Au P m3m 4/m 3 2/m |
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Other Auricupride Information
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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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