Obsidian is said to help recovery from Emotional Wounds, bringing hope and optimism. Spheres emit energy in all directions equally and the colours in this sphere reflect as it is turned. Obsidian is said to be associated with grounding and the Base/Root and Earth Chakras. It is also said to help depression and to bring in the light.
Silver relates to the Moon, helping one to communicate with Earth devas & earth healing, also digestive issues.