Mineral Factbook

Braggite

PdPt3S4IMA symbol: Bgredefined

Braggite is a sulfide or sulfosalt mineral with the formula PdPt3S4. It has a calculated density of 9.335 g/cm3.

Photos

Braggite specimen photo
Makvandi, Sheida and Pagé, Philippe and Tremblay, Jonathan and Girard, Réjean · CC BY 4.0 · Commons
Braggite specimen photo
James St. John · CC BY 2.0 · Commons
Braggite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Space groupP 42/m
Cell (Å, °)a = 6.38, b = 6.38, c = 6.57; α = 90, β = 90, γ = 90
Cell volume267.428 ų, Z = 2
Axial ratios1.0000:1:1.0298calculated from COD 9007574
Source structureCOD 9007574 (Acta Crystallographica, Section B, 1973) — 1 of 2 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.6172.9212.8532.871.7191.859
I/I₀10097.284.88345.842.8

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9007574; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)9.335 g/cm³calculated from COD 9007574

Chemistry (calculated)

Molecular weight819.93 g/molcalculated from the IMA formula
Composition (wt%)Pd 12.98%, Pt 71.38%, S 15.64%

Classification

Nickel-Strunz (10th)2.CC.35aWikidata (CC0)
Nickel-Strunz (9th)2.CC.35aWikidata (CC0)