The Basics of a Ceramic Chiminea The most well-known type of chiminea is made of clay. Think of terracotta ware or red pottery. Clay is very strong and hard but can crack if not handled properly. Clay is very absorbent, which is why it has to be protected with sand https://fireplaceusa87420.answerblogs.com/30052347/10-things-we-all-hate-about-chiminea-fire-pit