The Basics of a Ceramic Chiminea Clay is the most popular material used to make chimineas. Think of terracotta ware or red pottery. Clay is very strong and hard but can crack when handled improperly. Clay is highly absorbent, so it needs to be protected by sand and gravel at https://fireplacesuk22086.bligblogging.com/30415378/5-laws-anybody-working-in-chiminea-fire-pit-should-know