geyserite
/ˈɡaɪzəˌraɪt/
noun
- A type of mineral deposit, usually silica, that forms around hot springs and geysers.
- The geyserite formed beautiful white terraces around the hot spring.
- The park ranger explained how geyserite builds up over many years.
- Scientists study geyserite to learn about ancient geothermal activity.