Graphite is a natural mineral derivative of carbon. It is a native element, often the result of sedimentary carbon compounds, but also occurring in certain rocks containing organic carbon, in magma or as the result of the reduction of sedimentary carbon through the reduction of carbonates.
Graphite has a non-compact layered structure made up of hexagonally-shaped structures. These layers are known as graphene have an inter-layer distance of approximately 0.336 nm.
In each layer, the carbon atoms are strongly bonded together by molecular links whereas the layers are not strongly bonded together, which explains the material’s relative lack of hardness.
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