"Ward's+Phenomena"

Five Types of Cohesiveness

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Light gray, earthy.

The Perfect Size for Refilling Smaller Bottles

Completely safe and realistic for urinalysis.

This organism is commonly isolated from soil or water, and produces a pink or rose colored pigment.

Poecilia reticulata.

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

Freshwater. Unicellular. Soil-water medium. Characterized by two flagella (one inside a groove at right angles to the other); most also have tests made of cellulose and are encrusted with silica.

Light pink, massive, crystalline, translucent.

Philodina sp. Easy to culture and easy to examine under a microscope because of the lack of a lorica (shell), these typical rotifers are perfect for general study. Culture instructions are included.

Big enough for all your lab sections.

Freshwater. Unicellular; heart-shaped cell. Soil-water medium.

Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.

Black, Micaceous, glittery metallic.

Spinel group; black, dull metallic luster; common iron oxide.

Mounted in extended position for easy study and identification of structures.