Graphite
found in nature in pyrite, granite, and spinel. It is formed at high temperature in volcanic and igneous rocks
Fullerene
In nature, it has been found in shungite samples from North Karelia, in fulgurites from the USA and India, meteorites and sediments up to 65 million years old
Graphene
Synthesized substance. Physicists described its property in the 1960s. But for the first time it was obtained in 2004. The thinnest material known, the best conductor of heat and ellectricity
Carbon nanotubes
In nature they are formed by incomplete combustion of hydrocarbon, have adsorption properties, capillary effect, hydrophobic