HOT STONE MASSAGE... WHAT IS IT? Hot Stone massage, a type of massage where smooth, heated stones are used to relax the muscles and relieve tension and pain within the body. The hot stones used during the treatment are made of basalt, a type of volcanic rock that retains heat. They are utilized as a tool to massage specific parts of the body along with the Swedish massage techniques. The therapists hold the stones in their hands, and do gliding movements along the tense muscl