"PARKWAY PLASTICS, INC."

Fine to medium-grained with biotite.

Gray to buff, with numerous ooliths and fossil fragments.

Clear, pure cleavages, Mohs’ hardness of 2.

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

Basic Pelvic exam practice!

Demonstrate Newton's laws of motion.

Pyroxene group; dark green, pure cleaved fragments.

Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

Buff, coarse, crystalline “Austin Marble” with shell casts and molds.

Dense and massive.

Pure, bright yellow, Frasch sulfur.

Indestructible, high-quality, fiberglass tape.

For maximum protection, this dispenser is designed with a safety razor that slides and cuts with no danger to fingers.

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

Gray, fine to medium-grained “Berea grit”.