The Basics of a Ceramic Chiminea Clay is the most popular material used in the making of chimineas. Think of terracotta ware or red pottery. Clay is very strong and hard but can crack when handled improperly. The chiminea's clay is very absorbent and has to be protected by gravel https://stoves-canada88641.blogsvila.com/29997185/what-s-the-reason-you-re-failing-at-chiminea-fire-pit