Saléeite Mg(UO2 )2 (PO4 )2 (H2 O)10 IMA symbol: Slé grandfathered
Saléeite is a phosphate, arsenate, or vanadate mineral with the formula Mg(UO2)2(PO4)2(H2O)10, crystallizing in the monoclinic system. It has a calculated density of 3.346 g/cm3.
Crystallography Crystal system monoclinic crystal systemWikidata (CC0) Space group P 1 21/n 1 Cell (Å, °) a = 6.952, b = 19.865, c = 6.969; α = 90, β = 90.806, γ = 90 Cell volume 962.334 ų, Z = 2 Axial ratios 0.3500:1:0.3508calculated from COD 9012683 Source structure COD 9012683 (Crystallography Reports, 2008) — 1 of 2 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 9.932 4.8 3.449 3.288 3.484 4.385 I/I₀ 100 27.5 22.2 20.4 17.2 15.8
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9012683; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 3.346 g/cm³calculated from COD 9012683
Chemistry (calculated) Molecular weight 934.46 g/molcalculated from the IMA formula Composition (wt%) Mg 2.6%, U 50.94%, O 37.67%, P 6.63%, H 2.16%
Classification Nickel-Strunz (10th) 8.EB.05Wikidata (CC0) Nickel-Strunz (9th) 8.EB.05Wikidata (CC0)