GRAPHITE By Rustu S. Kalyoncu Graphite, one of three known forms of carbon, the other two are coal and diamond, occurs naturally in the Earth’s crust in metamorphic rocks such as crystalline limestone, schist, and gnei

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Date: 2000-01-31 09:59:13 Dry lubricants Graphite Superhard materials Carbon Pencil Diamond Lubricant Chemistry Matter Native element minerals		GRAPHITE By Rustu S. Kalyoncu Graphite, one of three known forms of carbon, the other two are coal and diamond, occurs naturally in the Earth’s crust in metamorphic rocks such as crystalline limestone, schist, and gnei Add to Reading List Source URL: minerals.usgs.gov Download Document from Source Website File Size: 57,17 KB Share Document on Facebook