a black graphite rock stone isolated on clear white background
Palabras clave
stone,
rock,
isolated,
coal,
mineral,
white,
black,
carbon,
fuel,
fossil,
charcoal,
geology,
power,
macro,
ore,
energy,
industry,
mine,
piece,
object,
mining,
lump,
crystal,
nature,
raw,
background,
graphite
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