This is a length-cut, stabilised woolly mammoth ivory block (Mammuthus primigenius). This block can be precision-cut, drilled, sanded, polished etc. to achieve the desired results. One cross-cut section is thinner and narrower than the other. The colour of the ivory is a mix of beige, brown, green and blue.
Geological epoch: Pleistocene.
Age: Over 10,000 years.
Origin: Sakha Republic (Yakutia).