This Colored Bismuth is approximately 1" in size per piece. Photos are representative only. Each piece is unique.BismuthTransformation - Awareness - Spirituality Bismuth is a native element. Peru is one of the world's major sources. Native crystals are extremely rare. These crystals are grown in our laboratory in the United States. Scarce as silver, and heavier than lead, one cubic foot of bismuth would weigh over 600 lbs. It is classified as a semi-precious semi-metal. Non-toxic to humans, bismuth is used in both medicine and cosmetics. Applications in inks, paints, free-machining steels, and fire sprinklers are other uses. Great for focus, visualization, and shamanic journeying. Relieves feelings of overwhelm and at the same time increases your energy to help you get things done. Relieves feelings of loneliness and isolation. It is especially helpful to keep in group circles to harmonize the different energies. Good to have around after major surgery and can help reduce fever