It generally comes in two different types. "St. Genevieve Rose" is the name for the marble which comes in deep red, greenish-gray, pink, and rose.Unklesbay and Vineyard, p. 165. "St. Genevieve Gold Vein" is light or medium gray in color, with veins (running from buff to tan in color) running through it. Cross-sections of corals and crinoids can be seen in the Gold Vein type.
