: A very hard dim crystalline compound SiC of silicon and carbon that is used as an abrasive and being a refractory As well as in electric resistors Silicon carbide was discovered by Pennsylvanian Edward Acheson in 1891. It is without doubt one of the most important industrial ceramic materials. https://silicon-carbide-nozzle15814.homewikia.com/10800503/the_2_minute_rule_for_images_of_crystalline_silicon_carbide