Description of Scott Resources Economy Igneous Collection
Sold as a Set of 6. Set of six metamorphic rock specimens for studying rock and mineral properties in classroom demonstrations and experiments. Metamorphic rocks form under heat, pressure, and, sometimes, chemical processes that usually occur deep below the surface of the earth. Includes the following specimens of slate, marble, gneiss, schist, amphibolite, and anthracite. Packed in a resealable bag that is labeled with the name and description of each rock.