CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY
Carbon powder. View of a pile of carbon powder. Carbon naturally occurs in three main forms: diamond, graphite and amorphous carbon. This is the graphite form. Graphite is a soft and slippery substance to touch, and has a melting point in excess of 3500 degrees celsius. It has a wide variety of uses including the "lead" in pencils, as a lubricant in industry, and as a heat resistant component in high-temperature areas.
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