Gannan south red with bead bracelet, gannan red is what?From literal meaning can immediately, said is a kind of produced in gansu south red agate, because of its unique quality is loved by the general public.Gannan red mainly grows between the cliffs, machine or manual drilling to very hard, for the most part is through the rain washed into rivers or around the canyon.It is similar to hetian jade in the seed material, is a rare, less production, good quality.Size: about 16 mm