Natural, powdered pure graphite is a form of crystallized carbon. This mineral comes in fine granules and varies in colour from deep black to grey. Used mainly for manufacturing drawing pencils, it also has a broad field of use in industrial paints such as anti-rust and heat-resistant paints. Also possesses good electrical conduction properties. Due to its low density, graphite is highly oil-absorbent. Powdered graphite may also be used for making a kind of water-based ink.