Because green chicken liver agate beads are difficult to form and there are not many of them so green chicken liver agate beads have value in the gem world.

Chicken liver agate is a variant of quartz, a kind of cryptocrystalline quartz deposited by silica, the gem world will be one of the cryptocrystalline massive quartz with concentric layers and irregular ribbons, entangled filaments structure called chicken liver agate.