"physics kits"

Use This Classic Kit To Introduce Children To The Fascinating Structure Of Ant Society.

A simple and elegant betta tank.

Earthy, yellow brown iron ore.

Porphyritic igneous rock containing biotite, feldspar, and hornblende.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Gray to white metamorphosed carbonate rock.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Hemalite is a Massive, dense red to gray, classic example of iron ore.

Gray metamorphosed shale showing "slaty cleavage".

Phyllite is a light-gray foliated rock formed from metamorphosed slate.