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Volcanic rock
01
extrusive igneous rock solidified near or on the surface of the Earth
Example
Geodes are commonly found in volcanic rocks and sedimentary formations around the world.
The volcanic rock was porous, allowing lava to flow through its channels.
The volcanic rock was rich in pyroxene, giving it a dark and glossy appearance.
The volcanic rocks exfoliated as they cooled after the eruption, creating a jagged, textured surface.
The cooling lava gradually began to crystallize, creating volcanic rocks with distinct crystal structures.
