Shungite is a Precambrian carbon-rich metamorphic rock from the Lake Onega region (Karelia, Russia), consisting of fullerene-like polyhedral carbon within a silicate matrix. Its high carbon content and extended conjugation confer notable sorptive and catalytic behavior. We evaluated its multifunctional potential for water purification targeting organic, inorganic, and microbial contaminants. Two grades (Type I, Type III) were...