Stibarsen SbAs IMA symbol: Sbr approved
Stibarsen is a native element or alloy mineral with the formula SbAs, crystallizing in the trigonal system. It has a calculated density of 6.443 g/cm3.
Crystallography Crystal system trigonal crystal systemWikidata (CC0) Space group R -3 m :H Cell (Å, °) a = 4.0255, b = 4.0255, c = 10.837; α = 90, β = 90, γ = 120 Cell volume 152.083 ų, Z = 3 Axial ratios 1.0000:1:2.6921calculated from COD 9001315 Source structure COD 9001315 (American Mineralogist, 1991) — 1 of 3 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 2.932 2.139 2.013 1.659 1.344 1.28 I/I₀ 100 40.6 33.7 18.1 17.7 15.1
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9001315; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 6.443 g/cm³calculated from COD 9001315
Chemistry (calculated) Molecular weight 196.68 g/molcalculated from the IMA formula Composition (wt%) Sb 61.91%, As 38.09%
Classification Nickel-Strunz (10th) 1.CA.05Wikidata (CC0) Nickel-Strunz (9th) 1.CA.05Wikidata (CC0)