State rock; prairie agate.
Neb. Rev. Stat. § 90-110
in effect90-110. State rock; prairie agate.
The chalcedony stone, commonly known as prairie agate, is hereby declared the state rock of Nebraska.
Laws 1967, c. 610, § 1, p. 2058; R.R.S.1943, § 84-727.
Source: Nebraska Legislature (nebraskalegislature.gov)URL: https://nebraskalegislature.gov/laws/statutes.php?statute=90-110Fetched: 10/20/2026
