Grahamite is a type of mineral that primarily consists of carbon and is known for its unique layered structure. It is often found in metamorphic rocks and is associated with other carbon-rich materials. Grahamite is named after the Scottish geologist Robert Graham, who contributed to the study of carbon minerals. This mineral is typically black or dark gray and has a shiny appearance due to its crystalline nature. Grahamite is of interest in various fields, including geology and materials science, as it can provide insights into the conditions under which it formed and its potential applications in technology.