Brittle anthracite shale, a mineral for power production, derived from coal.
Palabras clave
nugget,
texture,
black,
energy,
industry,
environment,
stone,
natural,
rock,
pollution,
mineral,
heat,
fuel,
charcoal,
structure,
industrial,
power,
fossil,
coal,
carbon,
mine,
material,
resource,
furnace,
combustion,
production,
extraction,
shale,
underground,
miner,
anthracite,
commodity,
exploitation,
combustible,
bituminous,
raw,
fractured,
burn,
dark,
dirty
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