Amethyst.
Yellow Stone Park
It was called Yellowstone National Park.
national stone
I am pretty sure that they do not have a national stone
The geyser called Old Faithful.
Florence Stone Fevergeon died on October 7, 2011, in Costa Mesa, California, USA.
Yellow Stone National Park is located in Wyoming
Germany does not have an officially designated national stone. However, amber has been used as a national geological symbol.
Gardens of Stone National Park was created on 1994-11-30.
Stone Lakes National Wildlife Refuge was created in 1994.
Big Stone National Wildlife Refuge was created in 1975.
A stone dwelling is typically called a "stone house" or "stone cottage."