"PARKWAY PLASTICS, INC."

Classic, dark; from the Columbia Plateau.

Pink/gray coarse carbonate rock.

White, fine, massive, opaque to slightly translucent.

Sterilizing tote boxes are molded from natural polypropylene, and are suitable for food use.

Pale pink felsite, with small sanidine phenocrysts.

Coarse-grained, with microcline, biotite and horblende phenocrysts.

What Is Making the Block Stop Moving?

Examine the various tissues in vascular bundles found in these vertical section of a dicot and Monocot leaves.

Glassy; most specimens float in water.

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

Bright metallic cubic cleavages; lead ore.

Two or more magnifiers may be snapped together to produce increased magnification and to illustrate the principles of compound lenses.

Perfect marking pens for small lab samples, slides, beakers, sample bags, and more.

This dual magnifier has two lenses for varying magnification.

Protect students from chemical splashes and impact with a flexible ridge around a PVC frame.

Cut black mica cleavage sheets.