Nikko Stone (Tochigi Prefecture) [Famous Japanese Stones]

Nikko Stone

Nikko stone

It is also called "Nikko Stone" because it is a stone on the Nikko Kaido road that leads to Nikko Toshogu Shrine, where Tokugawa Ieyasu is enshrined as Tosho Daigongen.
It is famous that Frank Lloyd Wright used this stone in the design and construction of the former Imperial Hotel.
It is a type of tuff, soft and easy to process, but has many bubbles and a beautiful lava-like taste.
It was formed when volcanic ash and gravel sank into the ocean and recrystallized during a volcanic eruption in the early Cenozoic era, approximately 23 million years ago. It contains zeolite and many other components on the ocean floor, and is said to have the ability to purify water and release multiple minerals. It is also attracting attention as a stone that can improve soil and water quality, and has a positive effect on the body.

It`s called Nikko Stone because it's a stone placed on the Nikko Highway that leads to Nikko Toshogu Shine, where Tokugawa Ieyasu is enshrined as Tosho Daigon,Frank Lloyd Wright used this stone to build the former Imperial Hotel
It`s similar to the tingestone, and it`s softly so it`s easy to process but there are a lot of bubbles that make this stone similar to the lava stone.
Approximately 23 million years ago, during the early Cenozoic volcanic eruption, volcanic ash and gravel sank into the sea and were recrystallized. It contains zeolite and many other components on the sea floor, and it has a water purification capacity + It is said to release multi-component minerals and is attracting attention as a stone that can improve soil, improve water quality, and have a good effect on the body.

Origin Tochigi Prefecture
meaning Career advancement, wealth, good fortune
Mineral Classification rhyolitic welded tuff
chemical composition SiO2, Na2O, K2O, CaO, MgO, Al
Crystalline -
cleavage -
Mohs hardness 3.0 to 4.0
gloss none
color blue, white, yellow
specific gravity -
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