• doctorcrimson@lemmy.today
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    1 year ago

    Coal is actually split into four types

    • Lignite
    • Subbituminous
    • Bituminous
    • Anthracite

    And there is also Graphite which is technically different from coal.

      • jarfil@lemmy.world
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        1 year ago

        Fullerenes, nanotubes, graphene… they’re also different.

        For illustration purposes, C60 fullerite: