different types of coal pictures

  • Types of Coal - YouTubeClick to view on Bing3:31

    Apr 03, 2013 · Types of Coal The main types of coal 1.Peat (technically a precursor to coal) 2.Lignite 3.Sub-bituminous coal 4.Bituminous coal 5.Anthracite (pictured below) 6.Graphite Checkout for more ...