"Avantor"

Examples of the More Important Minerals Found in Rocks

Five Types of Cohesiveness

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Examine the Mineral Composition of Igneous Rocks

Examine the Mineral Composition of Sedimentary Rocks

Examine the Mineral Composition of Metamorphic Rocks.

Give Your Students a Lesson in Economics as Well as Geology

Save Over $100 on This Complete Petrology Teaching Package!

White, mature, friable.

Dark, waxy, bitumin-rich.

Specially selected topsoil, 1 lb.

Specially selected subsoil, 1 lb.

Freshwater algal structures in chert. Average size: 3" x 4".

Freeze-dried bullfrogs. Available in vacuum packs.

Museum mounts are the ideal supplement for classroom dissection.

Museum mounts are the ideal supplement for classroom dissection.