Description: This is the Smithsonite specimen, wide around 10.5cm, from Hunan, China. Many small gray Smithsonite are gather together, outstanding on the brown matrix. Smithsonite is the mineral contain: Zn, C, O elements, Mohs hardness is 4-4.5. This Smithsonite specimen has a bright luster, larger size, and very thick, rare find from this locality! High quality Smithsonite from this locality!