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
Plattenhornstein chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic
armlet (Kokorzyn) - metallographic analysis Unetice culture
Lousberg flint : 3D documentation Upper Cretaceous (Maastrichtian)
armlet with two spiral discs (Żyrardów) - metallographic analysis II Bronze Age
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
pin (Karmin) - metallographic analysis IV-V Bronze Age
funnel pendant (Jaworze Dolne) - metallographic analysis II Bronze Age
Chocolate' flint : 3D documentation Upper Jurassic
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Chocolate' flint : 2D documentation Upper Jurassic
armlet with two spiral discs (Żyrardów) - metallographic analysis II Bronze Age
Chocolate' flint : 3D documentation Upper Jurassic