Limestone specimen isolated on white background. Limestone is a sedimentary rock composed of skeletal fragments of marine organisms.
Keywords
stone,
rock,
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coal,
mineral,
white,
black,
carbon,
granite,
fuel,
macro,
fossil,
geology,
nature,
rough,
closeup,
natural,
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raw,
texture,
white background,
solid,
mine,
nobody,
material