"Ward"

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

Formalin Preserved

A herbaceous dicot.

Put a piece of Earth's ancient history in the hands of your students.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

Light gray, earthy.

The Perfect Size for Refilling Smaller Bottles

Pure kaolinite powder, 200 mesh.

Clear, pure cleavages, Mohs’ hardness of 2.

Cemented glacial gravel.

Five Types of Cohesiveness

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

Formalin Preserved

Formalin Preserved

Good grade, green, massive; copper ore.

Specimens Illustrate Smooth Mineral Breakage