This cauldron has a diameter of 13 cm. It is made of cast iron and can therefore be very heavy. The pentagram symbol can be seen on the front. Uses of a cauldron Cauldrons are a decorative addition to your home. It is a popular item with people interested in witchcraft and magic. These are often placed on an altar or placed as decoration in the house. The cauldrons are suitable for burning incense, sage or petitions. The lid must remain off during burning. Otherwise oxygen will no longer enter. When burning, the smoke that flows out creates a magical effect, reminiscent of a witch's cauldron.