A beautiful and highly aesthetic tourmaline crystal displaying vivid natural colour zoning. This well-formed prismatic specimen shows distinct bands of red and green, creating an eye-catching bi-colour effect often associated with “watermelon” tourmaline, though in a more linear and elegant form. Dimensions Approx : 30 x 16 mm weight : 15.97 g Mineral: Tourmaline (likely bi-colour / watermelon variety) Colour: Gradient from deep reddish-pink to green This piece has excellent aesthetics, showcasing both strong colour contrast and classic tourmaline crystal geometry—ideal for collectors of fine mineral specimens or connoisseurs of vibrant gemstone crystals.