The cube is one of the five perfect solids of Plato and Pythagoras, along with the tetrahedron, octahedron, icosahedron, and dodecahedron. It corresponds to the number four, the body and the earth element, and is symbolic of matter, stability, solidity, and truth, which is eternal and unchanging. Shungite is a remarkable stone that has the ability to heal, as well as protect you. Shungite is known to work on your lower chakras with it's grounding energies. It removes blockages and creates balance in your auric field allowing you to reach a higher state of consciousness. You can place the cube near any electronics to remove the harmful EMFs. Approximate Measurements: 1.5 inches x 1.5 inches