What is graveyard keeper clay?

Graveyard Keeper is a cemetery management simulation video game. Clay is one of the resources in the game, which is used to create new grave stones and repair broken ones. Clay is obtained by using a shovel to dig up dirt from the soil. The player can also buy clay from the blacksmith in exchange for coal and silver. Clay is one of the essential resources in the game, as it helps the player progress by repairing graves and earning faith from the church.