Price listed is for each half-oun of mixed semi-precious stones. This is a mixed bag of semi-precious stones, inluding carnelian, black onyx, Mother-of-Pearl, shell, and Abalone stones. Shapes included are rounds and ovals, with sizes ranging from about 8m by 6mm to 11.25mm. The sample pulled had 60 pieces in it, most of which were shell, MOP, and Abalone. We cannot guarantee the sizes, shapes, or number of pieces you will receive. It's the luck of the draw!