Pr3+-doped La-2(WO4)(3) single crystal with dimensions up to 0 20 mm x 35 mm has been grown by the Czochralski method. The structure of the Pr3+:La-2(WO4)(3) crystal was determined by the X-ray powder diffraction and the Pr3+ concentration in this crystal was determined. The absorption and fluorescence spectra of Pr3+:La-2(WO4)(3) crystal were measured at room temperature, and the fluorescence lifetime of main emission multiplets were estimated from the recorded decay curves. The spectral properties related to laser performance of the crystal were evaluated. (C) 2006 Elsevier Ltd. All rights reserved.