Jōganji Stone (Toyama Prefecture) [Famous Stones of Japan]

JOGANJI Stone

Joganji Stone

This stone is mined in the Joganji River in Toyama Prefecture.
The Joganji River is a raging river that flows for a short distance of 56km from an altitude of 3000m. The Joganji stones that are mined here take on a ball-like shape as they roll, and are known as "Joganji jade stones." They are beautiful, lustrous stones.
During the Ansei debris flow 140 years ago, a 400-ton boulder (large rock) is said to have flowed down from upstream, giving an idea of ​​how fast the river flows.
There are various theories about the origin of the name, but it means "always praying" that the river will not flood, as it was a river that flooded.

This stone is produced in the Joganji River in Toyama Prefecture. The Joganji River is a fast-flowing river that flows from an altitude of 3,000 meters over a short distance of 56 km, and the Joganji stone that is produced there is known as “Joganji Jewels'' because of their bead-like shape when it rolls. It is a shiny and beautiful stone. In the Ansei debris flow 140 years ago, 400 tons of stones (large rolling stones) are said to have flowed from upstream, which shows how fast the river was flowing. There are various theories about the origin of the name, but since it was a river that flooded, it has the meaning of “to always pray'' that it would not flood.

Origin Toyama Prefecture
meaning Always praying for protection from drowning and misfortune
Mineral Classification -
chemical composition -
Crystalline -
cleavage -
Mohs hardness -
gloss
color -
specific gravity -
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