Genevieve marble, is an oolitic limestone (or "marble") found in Sainte Genevieve County, Missouri.
[3] "St. Genevieve Gold Vein" is light or medium gray in color, with veins (running from buff to tan in color) running through it.
[3] Cross-sections of corals and crinoids can be seen in the Gold Vein type.
[3][2] In the 1910s, it was widely considered the best "marble" found in the U.S. and known for its strength.
[4][2] It has been widely used in banks, churches, courthouses, government buildings, and other structures.