"PARKWAY PLASTICS, INC."

Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.

Pink and gray bands, with biotite; shows good foliation.

These pocket magnifiers are economical enough to outfit an entire class.

Economy Color-Coded Spring Scales

Hands-on tool for scientific studies

Light pink, massive, crystalline, translucent.

Black, high grade, foliated, greasy feel.

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

Perform live demonstrations showing how streams are created and constantly changing.

Ideal For Practical Anatomy Exams

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Blue fluorapatite, pure crystalline, Moh's hardness of 5.

Accurate reconstruction of the human skeleton.

The three-model set displays the differences between cardiac, skeletal, and smooth muscle structures.

Clear rhombs showing double refraction.

Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.