Auricupride Cu3 Au IMA symbol: Auc grandfathered
Auricupride is a native element or alloy mineral with the formula Cu3Au, crystallizing in the cubic system. It has a calculated density of 12.303 g/cm3. Its streak is yellow.
Crystallography Crystal system cubic crystal systemWikidata (CC0) Space group P m -3 m Cell (Å, °) a = 3.74, b = 3.74, c = 3.74; α = 90, β = 90, γ = 90 Cell volume 52.314 ų, Z = 1 Axial ratios 1.0000:1:1.0000calculated from COD 9013496 Source structure COD 9013496 (Crystal Structures, 1973)
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 2.159 1.87 1.128 3.74 1.322 2.645 I/I₀ 100 47.8 35.7 31.8 29.4 26.9
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9013496; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 12.303 g/cm³calculated from COD 9013496 Streak yellowsingle source Wikidata (CC0)
Chemistry (calculated) Molecular weight 387.6 g/molcalculated from the IMA formula Composition (wt%) Cu 49.18%, Au 50.82%
Classification Nickel-Strunz (10th) 1.AA.10aWikidata (CC0) Nickel-Strunz (9th) 1.AA.10aWikidata (CC0)
