This exceptional assemblage presents twelve natural bi-color tourmalines in varying dimensions—10 x 8 mm and 12 x 8 mm—each expertly fashioned as elegant oval cabochons. Sourced from Africa's premier gemstone regions, these stones exemplify the striking chromatic duality that defines superior bi-color tourmalines. With an impressive combined weight of 44.45 carats, this collection comprises entirely natural specimens, completely unheated and untreated, preserving their inherent geological authenticity. The cabochon cutting technique enhances the stones' inherent radiance and color saturation, creating pieces of remarkable visual depth. An outstanding choice for the sophisticated jeweler, serious collector, or investor seeking substantial quantities of genuine, museum-quality tourmaline.