The Basics of a Ceramic Chiminea Clay is the most commonly used material used to create chimineas. Think of terracotta ware or red pottery. Clay is very strong and hard but can crack if not handled properly. The clay in a chiminea is highly absorbent and needs to be protected https://fireplacesuk56788.blogocial.com/15-funny-people-working-in-chiminea-fire-pit-in-chiminea-fire-pit-65874244