Hazu Tonalite (Aichi Prefecture) [Famous Japanese Stone]

HAZU Tonalite

Hazu Tona Light

This stone is used in the walls of Nagoya Castle, which was built by Tokugawa Ieyasu.
The castle remained in the hands of a Tokugawa lord for 17 generations.
An inscribed stone dating back approximately 95 million years.
At first glance, it looks like an ordinary stone, but it is a mysterious stone that lies between granite and diorite, with little potassium feldspar and consisting of plagioclase and quartz.
Until recently, it was recognized as granite, but as research progressed, it was discovered to be a different mineral called tonalite.

This stone is used in building the walls of Nagoya Castle, which was built by Tokugawa Ieyasu. The castle continued to be owned by people of Tokugawa bloodline until the 17th generation. A Japan stone that dates back approximately 95 million years. At first glance, it seems like it can be found anywhere, but it is a mysterious stone that lies between granite and diorite. It is composed of plagioclase and quartz, with little potassium feldspar. recently Until, it was recognized as granite, but as research progresses, this turned out to be another mineral called tonalite.