Boji Stones are round, flat discs that come in pairs with one stone having a smoother surface, and the other having a highly textured and riged surface. These stones are usually found in pairs of the Masculine representing the yang energy, rough stone, and the Feminine representing the yin energy, smooth stone. Boji Stones Balance the inner divine masculine and feminine energies and increase brain function. They enhance short term memory and memory recall as well. Boji Stones are known to release energy blockages and to balance the auric field.