Togakushi Stone (Nagano Prefecture) [Famous Stones of Japan]

Togakushi stone

Togakushi Stone

Mount Togakushi is one of the locations of the legend of Ama-no-Iwato that remains in various parts of Japan.
It is said that Ama-no-Iwato flew down and gave it its current shape.
It is also known as a mountain for Shugendo, and it is said that by coming here you can pray for rain and have your sins wiped away.
It is also connected to the Wakasa mermaid legend, which says that "if you eat mermaid meat, you will become immortal."
If you fail, you become a monster.
There is a legend that says, "
The woman who ate the mermaid's flesh, a nun named Bikuni, is said to have lived to be 800 years old, and a stone associated with her still remains to this day.
This legend is also the basis for manga and novels, and it is a mysterious land with many myths remaining.
The stone is a type of andesite granite that is very hard, and with beautiful white spots on a black background, it is one of Nagano Prefecture's most famous stones.

Mount Togakushi is one of the legendary places of Ama-no-Iwato that remains throughout Japan. It is said that Ama-no-Iwato came flying over and became its current form. It is also known as the mountain of Shugendo, and it is said that by coming to this place you can pray for rain and your sins will be erased. It is also connected to the Wakasa mermaid legend and it says, “If you eat mermaid flesh, you will become immortal. But if you fail, you will become a monster''. It is said that the woman Bikuni, who ate the mermaid's flesh, lived to be 800 years old, and the stones that associated with her still remain today. There are even manga and novels based on this legend, and it is a mysterious land with many myths. As for the nature of the stone, it is a type of andesite/granite and is very hard, with beautiful white spots in the black color. It is one of the famous stones representing Nagano Prefecture.

Origin Nagano Prefecture
meaning Immortality, rain, and the elimination of sins
Mineral Classification crystalline schist
chemical composition Si₂, Al₂O₃, FeO, CaO, etc.
Crystalline Monoclinic
cleavage Complete in one direction
Mohs hardness 5.0 to 6.0
gloss Glass gloss
color Black, gray, and white spots
specific gravity 2.7 to 3.2
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