Meerschaum (noun)

A soft, white mineral, hydrated magnesium silicate, that is easily carved and takes a high polish, used especially for making tobacco pipes.

Origin:

Late 18th century: from german meerschaum, from meer 'sea' + schaum 'foam'.

Examples:

1. The meerschaum pipe was a work of art, intricately carved and polished to a shine.
2. Meerschaum is a highly prized material for making tobacco pipes due to its ability to absorb the oils and tars from tobacco.
3. The meerschaum had darkened over time from years of use, giving it a unique, rich patina.
4. Meerschaum is often considered to be a luxury material for pipes and is often much more expensive than other materials.
5. He was an avid collector of meerschaum pipes, always on the lookout for unique and unusual specimens.