"Avantor"

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

A Great Way to Begin Your Petrographic Studies

4 pounds of limestone chips supplied in a box.

Ideal for Beginning Earth Science Students

Specimens Illustrate Smooth Mineral Breakage

Clear examples of a key method of identification.

Beginner’s Collection Illustrates Important Physical Properties

Geometric Shapes and Structures of Crystalline Minerals.

Samples of Minerals That Are Found in Rocks

Study the Formation of Different Igneous Rocks

Good grade, brass-yellow copper ore, massive.

Brown, fluorescent crystals intergrown in dolomite rock.

Amphibole group; dark greenish black cleavages, somewhat columnar.

Red, earthy, in natural chunk form; common pigment ore.

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

Pure kaolinite powder, 200 mesh.