Jurassic flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic (Oxfordian/Kimmeridgian)
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Chert : 3D documentation Jurassic/Cretaceous from Miocene sediments
Flint from Spiennes : 3D documentation Maastrichtian
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Płytka kościana [3D] XII wiek - chronologia nawarstwień
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Szentgál radiolarite : 3D documentation Middle Jurassic
Świeciechów flint : 3D documentation Turonian
Plattenhornstein chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
arrowhead (Galowice) - metallographic analysis III Bronze Age
armlet (Kokorzyn) - metallographic analysis Unetice culture
axe (Omula) - metallographic analysis IV Bronze Age
Chocolate' flint : 3D documentation Upper Jurassic