Uytenbogaardtite

Ag₃AuS₂IMA symbol: Uytapproved

Uytenbogaardtite is a sulfide or sulfosalt mineral with the formula Ag3AuS2, crystallizing in the trigonal system. It has a calculated density of 8.458 g/cm3.

Photos

Uytenbogaardtite specimen photo — Leon Hupperichs · CC BY-SA 3.0 · Commons

Crystallography

Crystal system	trigonal crystal systemWikidata (CC0)
Space group	P 41 3 2
Cell (Å, °)	a = 9.72, b = 9.72, c = 9.72; α = 90, β = 90, γ = 90
Cell volume	918.33 Å³, Z = 8
Axial ratios	1.0000:1:1.0000calculated from COD 9012873
Source structure	COD 9012873 (Bulletin de la Societe Royal des Sciences de Liege, 1966)

Powder X-ray diffraction (calculated)

d (Å)	2.598	6.873	1.906	2.173	2.806	1.775
I/I₀	100	50.2	31.1	23.4	19.6	17.7

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9012873; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)	8.458 g/cm³calculated from COD 9012873

Chemistry (calculated)

Molecular weight	584.7 g/molcalculated from the IMA formula
Composition (wt%)	Ag 55.35%, Au 33.69%, S 10.97%

Classification

Nickel-Strunz (10th)	2.BA.75Wikidata (CC0)
Nickel-Strunz (9th)	2.BA.40bWikidata (CC0)
Dana (8th)	2.4.3.1Wikidata (CC0)