Merkabas are made from "Extra" high quality Carnelian crystal from India. These Red Carnelian Merkabas have a beautiful deep orange coloring that is sure to please anyone who loves Carnelian. Merkabas are tetrahedrons, made by the intersection of two, three-sided pyramids. Just try the energy of these crystals! Merkabas are great tools for working on your spiritual transformation, which some believe is the whole purpose of our existence. Merkabas are believed to form a spiritual shield around the holder. In upper dimensions, the geometric shape of the human energy field is said to be in the shape of a Merkaba. Thus, meditating with a Merkaba helps us to connect with our higher self.