
Pumice
Volcanic Origin
Emphasize that pumice originates from volcanic eruptions, hinting at its natural, rough texture.

The pumice at the beach comes from an ancient volcano.
Floats on Water
Highlight pumice's unique ability to float, an unusual characteristic for a rock.

Kids were amazed to see the pumice rock floating in the bucket.
Lightweight
Point out that pumice is exceptionally lightweight, which contributes to its buoyancy.

She easily carried the large pumice stone because of its light weight.
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