A bismuth crystal is a naturally or artificially formed crystal made from the metal bismuth, which is known for its unique iridescent colors and intricate stair-step shapes. Bismuth (element 83 on the periodic table) is a brittle, white-gray metal with a slight pinkish tint. When melted and then slowly cooled, bismuth forms into beautiful geometric shapes due to its unique crystalline structure, often resembling stepped pyramids or spirals. The stunning rainbow colors that bismuth crystals often