Relating to, resembling, or containing anthracite coal; having the properties or composition of anthracite.
From 'anthracite' plus '-ic' (relating to). This geological/mineralogical adjective developed in the 19th century as scientists classified coal deposits and characterized their properties.
Anthracitic coal formations in Pennsylvania were so valuable that they created an entire region's wealth and culture—towns literally rose and fell based on anthracitic coal deposits!
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