The book represents a collection of papers presented at VII International Symposium "Biogenic - abiogenic interactions in natural and anthropogenic systems" that was held on 26-29 September 2022 in Saint Petersburg (Russia). Papers in this book cover a wide range of topics connecting with interactions between biogenic and abiogenic components in lithosphere, biosphere and technosphere. The main regarding topics are following: biomineralization in living organisms and nature-like materials; biomineralization in geosystems; geochemistry  of biogenic-abiogenic systems; biomineral interactions in soil;  interaction of microorganisms with natural and artificial materials; medical geology; philosophical aspects of interdisciplinary researchs