Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Stone description: cut from same block as 9LB33

Wall Number Sort descending Country State Classification Source
10LB39 Mexico Pyrophyllite Sonora State
9RB31 Mexico Pyrophyllite Sonora State