Świeciechów flint : 3D documentation Turonian
Jurassic flint : 2D documentation Upper Jurassic
Krzemień kredowy : dokumentacja [3D] górna kreda
Krzemień kredowy : dokumentacja [3D] górna kreda
Chocolate' flint : 3D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Cretaceous flint from Rijckholt-St.Geertruid mine : 3D documentation Upper Cretaceous (Maastrichtian)
Grand-Pressigny flint : 3D documentation Turonian
Striped flint : 2D documentation Upper Oxford
Jurassic flint : 2D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Oxford/ Lower Kimmeridgian
Chocolate' flint : 2D documentation Upper Oxford/ Lower Kimmeridgian
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Striped flint : 2D documentation Upper Oxford
Gray white-spotted flint : 2D documentation Turonian
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic