The Basics of a Ceramic Chiminea Clay is the most commonly used material used to make chimineas. Think of terracotta pots or red pottery. Clay is very strong and hard but can crack when handled improperly. The chiminea's clay is extremely absorbent and requires to be protected with sand or https://stoveusa08753.tinyblogging.com/10-things-we-are-hating-about-chiminea-fire-pit-73602977