This is such an amazing processing technique that is hard to restore even nowadays.
These cylindrical beads were made by the Yayoi people 2,300 years ago.
Jasper accessories and ornaments, which symbolized power at that time, served as the origin of the Komatsu brand and delivered to Kyushu through Japan-sea trading and at the same time, attracted the rulers of the Yamato Dynasty.
In the Kofun (Tumulus) Period, the forerunners of Komatsu started producing bracelets made of green tuff with elaborate detailed carvings. These ornaments then became popular in Japan, fascinating the rulers of the Yamato Dynasty.
Yokaichi Jikata Remains
The Yokaichi Jikata Remains are famous as the largest base-village site in the Hokuriku region for producing cylindrical jasper stone beads. These remains were positioned as an important location of exchange of people, objects, and skills between the west and the east, while serving as a base for distribution of gems including jasper and jade crossing the Japan Sea. Some of the remains were preserved in the underground section of the Creative Science Museum of SCIENCE HILLS KOMATSU.
National Important Cultural Property
Excavated articles from the Yokaichi Jikata Remains
A series of articles that are related to producing stone beads including cylindrical jasper beads that attracted the rulers of the Yayoi Period, half-finished stone beads, and stone bead production tools. Articles that have been excavated from an important location for east-west communication and commerce, Yokaichi Jikata Remains, including those related to stone bead production, are stored and exhibited at the Buried Cultural Properties Center of Komatsu City.
Excavated articles from the Katayamazu Tamatsukuri (Stone-bead Production) Remains
Many articles were excavated from the Tamatsukuri (stone bead production) remains located in Kaga City where Kuwagata-ishi (hoe-shaped) bracelets, cylindrical stone beads, and curved jewels were produced by using green tuff of Komatsu during the Early Kofun (Tumulus) Period. These articles show how stone beads and jewelries were produced. They are stored and exhibited for the public at Komatsu City Museum.