The blade is made from Stromatolite (fossilized algae) which has the appearance and consistency of agate. The edge is finely serrated for cutting fruits or vegetables with a sawing type action....also good for seed sacks or hay strings. It should not come in contact with hard objects. The handle is a natural whitetail deer antler shed, wrapped with sinew and sealed with a hard glossy epoxy, for durability. Overall knife length is 8 3/4 inches. A handsome custom genuine leather sheath is included with the knife.