grapestone

/ˈɡreɪpstoʊn/

Definitions

1. noun

A type of stone or rock that has a purple or reddish color due to the presence of iron oxide or other minerals, often used as a building material or for decorative purposes.

“The medieval castle was built using local grapestone to create a unique and durable structure.”

Synonyms

  • basalt
  • porphyry

Antonyms

  • limestone
  • marble