noun
Oya tuff stone
A specific type of tuff (volcanic ash rock) quarried near Utsunomiya, Tochigi Prefecture. Known for its softness and ease of carving, often used in traditional Japanese architecture and sculpture.
大谷石は栃木県宇都宮市周辺で採れる石材です。
Oya tuff stone is a building stone quarried around Utsunomiya City, Tochigi Prefecture.
この古い蔵の壁は大
The walls of this old storehouse are made of Oya tuff stone.