* Descriptive: The hiker carefully removed a piece of pumice from the volcanic rock formation, its porous texture and light weight a testament to its fiery origins.
* Practical: After a long day of gardening, she used a pumice stone to gently exfoliate her rough hands.
* Figurative: The artist's brushstrokes were as light and airy as pumice, creating a delicate and ethereal landscape.
* Scientific: Pumice is a volcanic rock formed from frothy lava, often used in construction and gardening.