Mineral Factbook

Saléeite

Mg(UO2)2(PO4)2(H2O)10IMA symbol: Slégrandfathered

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.

Photos

Saléeite specimen photo
Klaproth · CC BY-SA 3.0 · Commons
Saléeite specimen photo
Andrew Silver · Public domain · Commons
Saléeite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons
Saléeite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/n 1
Cell (Å, °)a = 6.952, b = 19.865, c = 6.969; α = 90, β = 90.806, γ = 90
Cell volume962.334 ų, Z = 2
Axial ratios0.3500:1:0.3508calculated from COD 9012683
Source structureCOD 9012683 (Crystallography Reports, 2008) — 1 of 2 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)9.9324.83.4493.2883.4844.385
I/I₀10027.522.220.417.215.8

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 weight934.46 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)