Yamagata-produced chalcedony (Yamagata Prefecture) [Famous Stones of Japan]
YAMAGATA Chalcedony
Yamagata chalcedony
Yamagata is home to the Dewa Sanzan mountains, which have been a center of mountain worship since ancient times, and Yamagata's chalcedony and agate are produced in a wide area of the Dewa Sanzan Asahi mountain range, including Mt. Gassan, and come in a variety of different shapes.
Generally, transparent stones are called chalcedony, and striped stones are called agate, but the crystal structure and composition are the same.
The area is home to the clear Sagae River and Bandai-Asahi National Park, and is surrounded by majestic and elegant nature.
Even today, artisans make accessories using the chalcedony and agate that are mined here.
At the summit of Mt. Gassan, Amaterasu Omikami and Tsukuyomi, the brother of Susanoo, are enshrined, and since the syncretism of Shinto and Buddhism, it is said that Amida Buddha resides there.
Yamagata chalcedony is a very mysterious and transparent stone that is difficult to obtain.
It is not easy to collect even local people.
I think that this gloss will be transmitted if only you could take it in your hand
In Yamagata there are three sacred mountains of worship since ancient time, Yamagata's chalcedony and agate are produced with various stone in a wide area of Mt.Dewa and Asahi Mountains.
Generally the transparent one is called chalcedony and the striped one is called agate, but the crystal structure and composition remain unchanged.
The clear stream, the Sage River flows and the area with the Bandai Asahi National Park is a magnificent and elegant are. Craftsmen still now make accessories using the chalcedony and agate that have been mined there.
At the top of Mt. Gassan, Goddess Amateraru and Tsukuyomi, Susano`s sisters, are enshrined there, and it is said that Amitabha has been living since the Shinto practice.
| Origin | Yamagata Prefecture |
|---|---|
| meaning | The power of the moon, safety at sea, bountiful harvests, and fulfillment of wishes |
| Mineral Classification | oxide minerals |
| chemical composition | Contains SiO2 and other inclusions |
| Crystalline | trigonal system |
| cleavage | none |
| Mohs hardness | 6.5–7.0 |
| gloss | Glass gloss |
| color | Colorless, white, yellow, green, brown |
| specific gravity | 2.58 to 2.64 |


