Kurokamijima

What it is

• A state-owned island with a sixteen kilometer circumference located southwest of Tokuyama Port.
• A major site for quarrying Tokuyama Mikage granite since the early Meiji period.
• The source of the stone used to build the National Diet Building in Tokyo.
• An active industrial site currently managed by the Kurokami Sekizai stone extraction business.

What to see

• Active granite quarrying operations that have shaped the island landscape for decades.
• Views of nearby Sendo Island located directly to the north.
• Small neighboring islands including Kabashima and Kaerujima situated to the west.

Notes written by Japan Gems from facts in Japanese Wikipedia.