Yoshima Stone (Kagawa Prefecture) [Famous Japanese Stones]
YOSHIMA Angel Snowlight
Yoshima stone
Yoshima is one of the beautiful Shiwaku Islands floating in the Seto Inland Sea.
This is the only island on the Seto Ohashi Bridge that the public can land on.
According to a document from 1590 (Tensho 18), the most popular theory is that the islands were named "Yosu Islands" because they are close to each other.
There used to be a quarry here and the stone industry was thriving, but around 2005, Yoshima stone was no longer mined.
The islands were once a salt producing region, and stone tools from the Jomon period have been excavated from these islands, suggesting that Japanese people have lived there since ancient times.
Isamu Noguchi had an atelier in Takamatsu City, Kagawa Prefecture, and loved Aji stone, leaving behind many works.It is said that one of his disciples used Yoshima stone to create the monument for the Japanese Prime Minister's residence.
Although research is still in the early stages, it has been suggested that it may contain a new mineral, yttrium rolandite.
Yoshima Island is one of the beautiful Shiwaku Islands in the Seto Inland Sea. It is the only island on the Seto Ohashi Bridge that the public can land on. According to a document from 1590, the most likely theory is that the islands were named “Yosuru Island” because the islands are close to each other. There used to be a quarry and the stone industry was thriving, but Yoshima stone was no longer mined since around 2005. It was once a salt production area, and stone tools from the Jomon period have been excavated from these islands, so it is believed that Japanese people have lived there since ancient times. Isamu Noguchi set up a studio in Takamatsu City, Kagawa Prefecture. He loved Aji stone, and left many works of art, and it is said that one of Isamu Noguchi's disciples used Yoshima stone to create the monument for the Japanese Prime Minister's residence. Although it is still in the research stage, it has been suggested that the new mineral yttrium rolandite may be included. probably born.
This legendary spot is believed to provide humans the power that transcended their capacity.
| Origin | Kagawa Prefecture |
|---|---|
| meaning | Health, healing, and peace of mind |
| Mineral Classification | Biotite fine-grained granodiorite |
| chemical composition | Si₂, Al₂O₃, K₂O, Na₂O, CaO, Na₂O |
| Crystalline | Monoclinic |
| cleavage | Complete in one direction |
| Mohs hardness | 7 |
| gloss | Glass gloss |
| color | Black, white |
| specific gravity | 2.5 to 2.8 |
