For experiments where the surface finish of a single crystal is not essential, or where you would like to perform the polishing yourself, Surface Preparation Laboratory provides single crystals that are made to the desired shape, but that have a fine ground surface finish. If you require such a raw crystal, just uncheck the "Polished surface" checkboxes at the bottom of our Request Quote page when requesting your crystal. Note that we do not sell complete single crystal rods and restrict the thickness of e.g. discs that we provide to a maximum of typically 5 mm.