- Rocks cover all three main categories
- Each rock is approximately 1" x 1"
- Includes a study guide
Unveil the identity of unknown rock samples. Students work to uncover the identity of samples from the igneous, sedimentary and metamorphic rock groups. Relying on texture, grain size, mineral composition and foliation, students classify the unknowns and assign them to their correct rock group. Set comes with a comprehensive study guide, identification list, magnifier, acid bottle and numbering kit. Each of the 24 samples measures 1" x 1" and comes housed in a compartmented box.