Additional volcanic specimens suitable for personal collections or educational purposes.
- A pair of thin sections taken from rocks collected on the slopes of Mount Vesuvius.
- Includes granite and leucite, both of which are suitable for polarising studies.

- Two different coloured specimens of lava from the Death Valley region of California.
- Included are an example of both the red and the black forms that dominate the landscape.
- These beautiful samples are from the fossil beds of Florissant, Colorado and show the exceptional stratigraphy of the site.
- Each slice shows a thick, yellow volcanic ash bed sitting above the lake sediments.
- One of the most distinct examples of bedded stratigraphy that we have and a frm favourite.
