Section 4-1-310 - State gem(a) The Tennessee pearl is hereby designated as the official state gem. This designation is not intended to prohibit such activities as dredging, filling, damming or other acts that are otherwise subject to regulation and control by the United States corps of engineers, the Tennessee Valley authority, or other governmental entities.(b) The historic Tennessee River Freshwater Pearl Farm and Museum located in Camden, Benton County, Tennessee is hereby designated the official site of freshwater pearl culturing in the state of Tennessee.Acts 1979, ch. 192, § 1; T.C.A., § 4-129; Acts 2004, ch. 506, § 1.