Air & Water Pollution

A collection of different rocks and minerals, in wooden box, with containing 50 specimens. Each specimen is labelled.

A comprehensive collection of igneous, metamorphic and sedimentary rocks, in wooden box, with partitioned tray containing 50 specimens, each nominally numbered and enclosed in a transparent plastics bag. Specimens may be removed from bags for detailed examination. Each specimen is labelled also on the inside of the box lid, indicating the geological name.

Showing inner, outer material and formation of the Earth.