A 10 piece collection of Rock or minerals designed for use with stereo microscopes. These sets are packed on colorful cards that slide off the plastic package for access to the specimens. The package doubles as a storage unit. The rocks on this card is:
1. Gabbro
2. Trachyt
3. Brasalt
4. Ash-tuff
5. Sandstone
6. Dolomite
7. Gneiss
8. Quartzite
9. Phyllite
10. Granite