"gel box"

Fine crystalline, pure calcite.

Dark gray, composed mostly of pyroxene and olivine.

Light gray, fine-grained, well-foliated, schistose.

Gray to brown mudstone with abundant silt.

Red-brown to gray, coarse-grained, containing feldspar and mica.

Black, fissile; commonly with carbonized fossil plant impressions.

Gray, fine, friable, with abundant small sanidine crystal fragments.

Survey set improves student's recognition of all three major rock groups.

Gray-to-brown basaltic, with over 50% vesicles.

Grayish black trap rock.

Previously known as the syracuse university mineral and rock set.

Examples of the most basic rocks and rock-forming minerals.

Previously Known as Ohio State University Mineral and Rock Set

4 pounds of limestone chips supplied in a box.

Ideal for Beginning Earth Science Students

Identify and classify unknown rock samples.