During the Middle Ages on the territory of the Golden Horde forms Islamic occultism based on the Sufism. On the
territory of the burial ground «Mayachniy bugor» of the Astrakhan region were found artifacts (13–14 cc.!) confirming this fact. Unique archaeological sites were entire form of the eggshell, the surface of which presumably Arabic inscriptions were inflicted. Front of researchers was the problem carrying out of complex exploring of finds, including the identification of degrading the text inscriptions. Color photometry method has been proposed for this study. As a result, have an opportunity restore part of the lost text without applying any radical methods.