Beautiful Polished Turbo Marmoratus (Green Turban) Shell from Antsiranana, Northern Madagascar This Turbo Marmoratus shell, also known as the Green Turban, features stunning polished surfaces that reflect a beautiful array of colors. Sourced from Antsiranana, northern Madagascar, this shell is a true testament to nature’s craftsmanship. Dimensions: 17 x 16.5 x 12 cm Its vibrant hues and smooth texture make it an exceptional addition to any collection, perfect for display or admiration.