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 strong and hard, but it can crack if handled improperly. Clay is very absorbent, which is why it has to be protected by sand https://stoves-uk02234.bcbloggers.com/29381079/17-signs-to-know-if-you-work-with-chiminea-fire-pit