Slate is a fine-grained, foliated metamorphic rock, isolated on white background.
Palabras clave
stone,
rock,
isolated,
coal,
mineral,
white,
black,
carbon,
fossil,
fuel,
piece,
geology,
object,
charcoal,
texture,
old,
nature,
wood,
lump,
material,
industry,
granite,
natural,
macro,
energy
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