In 1826 two unique icons were delivered to Saint Petersburg Mining Cadet corps from Zlatoust. They were named composed icons because of their background composed of different Ural stones. These icons have become the objects of the historical analysis which results are presented in this article. The documents which are kept in the Saint Petersburg and Zlatoust archives served as a basis for icons history reconstruction. The article describes the story of malachite and corund blocks delivery to the museum of the Cadet corps. This story is based on the information which was found in the one of archival documents.