The Red Cloud Mine in La Paz County, Arizona has generated some very nice multicolored ultraviolet rocks.
This rock contains wulfenite, willemite, fluorite, hyalite, and barite.
This is a link about a group that collected at the mine site:
http://www.gamineral.org/rr06_gb-az_red-cloud.htmlThis rock contains wulfenite, willemite, fluorite, hyalite, and barite.
This is a link about a group that collected at the mine site: