Samples of Intrusive and Extrusive Igneous Rocks

• Introduce concepts of the Earth's crust
• Compartmented box

Provide your students with an excellent introduction to the forces at work beneath the Earth’s crust. The set is housed in a compartmented collection box and includes an identification list.

Contents:
12 numbered samples, 1" x 2"
Rocks:
basalt, diorite, gabbro, granite, obsidian, pegmatite, peridotite, pumice, rhyolite (2), scoria, syenite

Hand Specimen Set:
Large hand samples are ideal for demonstration and display. This set is housed in individual, labeled plastic display trays and comes with an identification list.
Contents:
12 numbered samples, 3" x 4"