graphite is used to make electrodes while diamond
Graphite – Wikipedia OverviewTypes and varietiesOccurrencePropertiesHistory of natural graphite useUses of natural graphiteGraphite, archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure. It occurs naturally in this form and is the most stable form of carbon under standard conditions. Under high pressures and … Read more