Modification of perlite using nano-magnetic iron oxide was implemented to produce nano-magneticFe3O4-coated perlite composite (Fe3O4/Perlite). The prepared composite was characterized using Scanning Electron Mi-croscopy, Fourier-Transform Infrared spectroscopy and Powder X-ray Fluorescence. The potentiality of both per-lite and Fe3O4/Perlite composite to eliminate Cr(Ⅵ) from the environmentally relevant water was investigated. The influence of main factors which could affect the adsorption was studied including;pH of medium, shaking time and Cr(Ⅵ) ions concentration. The experimental outcome demonstrated that the modification of perlite by nano-magnetic Fe3O4 showed a significantly enhanced Cr(Ⅵ) removal efficiency relative to that of unmodified perlite. From the kinetic studies, the experimental data fitted well with the pseudo-second-order model. More-over, it proposes that Langmuir isotherm is more adequate than the Freundlich isotherm for both perlite and modified perlite. The results recommended that Fe3O4/Perlite composite had a great potential as an economic and efficient adsorbent of Cr(Ⅵ) from contaminated water, which has huge application potential.