The icon is a very jagged rock. Three facets are visible, forming a jagged triangle, quadrilateral and a pentagonal facet. The outside is also very angular and possessing of six uneven sides. The icon represents coal, a dark substance harvested from the earth in order to use for power generation.
Related to Coal Icon
Related icons are the icons with matching tags, as well as all industry icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors