OM Soapstone Incense Plate, 4.5" x 4.5": Square soapstone incense holder with a black finish and the OM symbol inlaid with beautiful Mother-Of-Pearl. Soapstone is a soft stone, perfect for carving. It retains heat well and is 100% fire-proof. Holds sticks or cones. Handcrafted by our valued supply partners in India.