The Basics of a Ceramic Chiminea Clay is the most common material used to make chimineas. Think of terracotta pots, or red pottery. Clay is extremely durable and hard, but it can crack when handled improperly. Clay is highly absorbent, which is why it has to be protected by sand https://fireplace42086.articlesblogger.com/52949898/chiminea-fire-pit-isn-t-as-tough-as-you-think