2226 contains metamorphic samples.
Foliated rocks:
- Gneiss
- Graphite Schist
- Mica Schist
- Chlorite Schist
- Garnet Schist
- Slate
- Amphibolite
- Talc Schist
- Phyllite
Nonfoliated rocks:
- Quartzite
- Sepentinite
- Marble
- Serpentine Marble
- Hornfels
- Anthracite
This product has met the following criteria: