Raw perlite amorphous volcanic glass rock specimen isolated on white background.
Palabras clave
amorphous,
volcanic,
glasses,
stone,
rock,
isolated,
mineral,
coal,
white,
geology,
ore,
black,
granite,
carbon,
nature,
macro,
fuel,
piece,
fossil,
material,
natural,
white background,
crystal,
mining,
texture,
object,
rough,
mine
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