These dinosaur bone spheres from Madagascar are extremely rare gemstones which are the result of fossilized bone from dinosaurs in which the cellular structure has been replaced with quartz, leaving the bone structure intact. Dinosaur bone is said to help increase energy and memory. It has ties with the deep past, and this makes it an excellent stone for past life work. Dinosaur bone is also wonderful for calming anxiety, in particular survival anxieties. It helps, too, with communication and ability to understand communications. Physically, dinosaur bone is used for healing of paralysis, broken bones, hearing, vigor, regulation of body temperature. These spheres are 20mm.