Discover this remarkable collection of 63 natural bi-color tourmalines, presenting 59.39 carats of pristine gemstone material sourced from Africa. Each piece features an elegant oval cabochon cut measuring 7x5mm, displaying the captivating interplay of contrasting hues inherent to bi-color tourmaline. Completely untreated and unheated, these stones retain their authentic character and natural brilliance. Perfect for discerning collectors and artisan jewelers seeking uniform, high-quality gemstones with genuine color complexity and exceptional clarity for sophisticated jewelry creations.