Jewel Geyser is a fountain geyser

Geyser

A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase . The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb...

 in the Upper Geyser Basin of Yellowstone National Park

Yellowstone National Park

Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872, is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is in the Buscuit Basin complex that includes Shell Geyser, Avoca Spring, and Mustard Spring.

Originally named Soda Geyser by the Hayden Survey, the name was changed to Jewel Geyser by Arnold Hague

Arnold Hague

Arnold Hague was a United States geologist who did many geological surveys in the U.S., of which the best known was that for Yellowstone National Park. He also had assignments in China and Guatemala. He became a member of the U. S...

in 1887.. Jewel Geyser is known for having a shiny, beaded sinter around its vent.