大おお谷や石いし

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.

• 大おお谷や石いしは栃木県宇都宮市とちぎけんうつのみやし周しゅう辺へんで採とれる石せき材ざいです。