"bouteille de gaz"

Perfect for introductory lessons on metamorphic rocks.

Students discover the variety of rocks and minerals with this collection.

Students determine a mineral's hardness between five and 10 on Mohs' scale.

This collection with rock types and associations with the North American continent contains 100 specimens with each group represented: igneous, metamorphic, and sedimentary. Specimens are approximately 1"" x 1"", number-coded in compartmented container.

Everything You Need to Organize Your Specimens

Light gray, fine small clasts.

Gray to white, coarse crystalline, carbonate rock.

Pink/gray coarse carbonate rock.

Lustrous, black 'hard coal'.

4 pounds of limestone chips supplied in a box.