"PARKWAY PLASTICS, INC."

Gray to brown mudstone with abundant silt.

Dark gray, with hornblende as the dominant mafic mineral.

Typical green-gray, fissile, clay-rich.

Himalayan mineral great for teaching and display.

Well-cemented, medium-grained orthoquartzite.

This lamp holder is suitable for miniature base lamps.

The Student Double-Wall Calorimeter is an inexpensive necessity for your experiments.

Slaty cleavage; contains hematite.

White, mature, friable.

Economy LDPE dropper bottles.

Collection of popular Algae samples.

Medium-grained with biotite.

Coarse-grained plagioclase and pyroxene with some olivine.

Useful for individual or group study of molecules, these model sets offer an interactive learning opportunity.

This set features a handy, economical selection of density cubes.

Economic Model Of Iud Placement