This is a pre-cut, stabilized woolly mammoth molar block (Mammuthus primigenius). This mammoth molar block can be cut, drilled, sanded, polished etc. to achieve the desired result. The colour of the molar is a mix of green, blue and brown.
Geological epoch: Pleistocene.
Age: Over 10,000 years.
Origin: Sakha Republic (Yakutia).