in the summer of two thousand and sixteen french archaeologist pierre petrarca found a deposit of jadeite in the age and region. the material may have been mined there up to nine thousand years ago. patrick constance coverage provided new historical insights. but trading was not limited at this time to jade obsidian or sandstone rings which the shells of spiny oysters were also used. fear austrian archaeologists marco prices uses a reproduction of an ancient tool to make jewelry out of these shells. the shells are found all the way from the black sea to the coasts of central europe . neolithic people fashioned them into pendants bracelets and belt buckles. and they were popular as gifts. in. the neolithic period cover several thousand years. that's not very long in the timeline of history but are ancient and. sisters have the same spiritual and emotional needs that we do today. this period saw fundamental changes in everyday life and the ways that people lived and worked together. they began to bury their dead and to honor them afterward they built houses they raised crops and livestock.