Collection of Soil and Clays

Collection of Soil and Clays This Collection contains 10 Types of Soils Specimens. The Soils and Clay Minerals Specimens include Some of the following Bauxite, Chalk Lumps, Diatomite, Fire Clay, Fullers Earth, Gypsum, Hematite, Kaoline, Mud Stone, Ochre Red, Ochre Yellow, Phylite, Plastic Clay, Pyrophilite, Selenite, Shale, Sillimanite, Slate, Soap Stone, Talc.