Tumble Size : Nuummite is a stone of tremendous grounding, attuned to the elemental forces of Earth that can be drawn upon in times of need. It is an excellent source of energy with a strong electro-magnetic field. It aligns the subtle bodies, strengthens the auric shield, and is fiercely protective against negative energies, manipulations, and environmental pollutants. Nuummite, the Sorcerer's Stone, draws from the fiery energies of ancient Earth and combines with the elements of Storm. Black as midnight shadows on moonlit water, this talisman shimmers with mystical gold light, lifting the murky to see what lies beneath. It is a stone of personal magic, increasing the frequency of synchronicities and luck, clairvoyance and intuition, and for those evolved enough to work with its intensity, it allows for journeying deep into the personal psyche, offering a clear vision of one's true Self. It helps to release energies trapped in the subconscious and brings the gift of inner power, healing, and self-mastery. For lots more information , You need to read the Crystal Properties . This is a great stone.