Nikko Stone
徳川家康を東照大権現として祀る、日光東照宮へつながる日光 街道の石から「日光石」とも呼ばれます。 旧帝国ホテルでフランクロイドライトがこの石を使い、設計と 建築を行ったとして有名です。 凝灰岩の仲間で、柔らかく加工がしやすいが、気泡が多く、溶岩 のような味わいが綺麗です。 約 2300 万年前の新生代前期の火山の噴火時、火山灰や砂礫 が海中に沈んで再結晶化されたもので、ゼオライトなどを含 み、海底で他の成分も多く含み、水の浄化能力+多成分ミネラ ルを放出するといわれ、土壌改良や水質改善、身体にも良い影 響を与える石としても注目を浴びています。
The stone is called "Nikko Stone" because it is associated with Nikko Toshogu Shrine, which enshrines Tokugawa Ieyasu as Tosho Daigongen and is connected to the Nikko Toshogu Shrine. It is famous for being used by Frank Lloyd Wright in the design and construction of the former Imperial Hotel. It belongs to the andesite family, which is soft and easy to process, but has many gas bubbles and a beautiful taste like lava. It is said to have been recrystallized from volcanic ash and gravel that sank into the sea during the eruption of a volcano in the early Paleogene about 23 million years ago, containing zeolite and many other components on the seabed, emitting soil improvement and water purification abilities + a variety of minerals, attracting attention as a stone that has a good influence on soil improvement, water quality improvement, and the body.