Andrey BulakhAndrey Bulakh is Professor in the Department of Mineralogy at St Petersburg State University. He is a specialist in mineralogy, geochemistry and the origin of alkaline rocks and carbonatites. More recently, he has studied the history of ornamental stnes in architecture. He has written several books that are widely used at Russian universities, and was a long-time member of the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association. Read More Read Less