Tennessee originally designated agate as its official state rock in 1969.
Agate, a semiprecious gemstone, is a cryptocrystalline variety of the mineral quartz.
Raffir offers a unique variety of resin preserved materials suited for use in accessories, jewellery, fine handles and other small-sized quality products, in which aesthetics are of great importance. The first, Raffir Fiber, is a composite material of natural plant fibers cast in resin.
The second, Raffir Metapol, has aluminium fillers shining through a deep resin matrix.
Tennessee designated calcium carbonate, commonly known as limestone, as its official state rock in 1979.