Hard coal on white and up.

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Photo credit: © Dmitriy Praizel / Alamy / Afripics
License: Royalty Free
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Keywords: anthracite, background, black, brittle, burn, charcoal, closeup, coal, combust, combustion, dirty, energy, fossil, fuel, hard, heat, high, industry, isolated, material, miner, mineral, natural, power, pure, raw, resource, rock, stone, white