Dating petrified wood

Freshwater river pearls are created by mussels and occur in a variety of colors and shapes.Prior to World War I, freshwater pearls occurred in a variety of Tennessee streams.In 2009, however, Tennessee designated agate as its official state mineral.Tennessee designated the pearl (taken from mussels in the fresh water rivers of the state) as its official state gem in 1979.The last two categories, Raffir Fossils and Raffir Wood, are genuine rare fossils and fine-grained wood blocks that have been filled with a unifying and strengthening resin by a high-pressure process.The finished material is a hybrid that maintains the unique structures of the untreated material while obtaining mechanical advantages from the homogeneous resin compound.

Tennessee designated Pterotrigonia (Scabrotrigonia) thoracica of the Coon Creek Formation as it official state fossil in 1998.

The metal used is aluminium with its light colour, machinability and corrosion resistance, while epoxy resins are used because of their binding strength to metal.

The result is a deep coloured sparkling material for beautiful handles, jewellery etc.

Raffir Fossils are genuine mammoth fossils dating back to the last ice age (10,000-40,000 BP).

The most typically found remains from the prehistoric mammoths are tusks, molars and bones.

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