"Freeze-Dried Specimens"

Fine to medium-grained with biotite.

Foliated biotite, coarse, silvery gray with quartz-feldspar bands.

Well-cemented, medium-grained orthoquartzite.

Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.

Cut and finished samples with fiberoptic samples.

Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.

Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

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Gray metamorphosed shale showing "slaty cleavage".

Combine all six sets and save!

Perfect for Introductory Lessons on Metamorphic Rocks.

An introductory rock set contains six samples from each of the three major rock types.

Includes: six each of marble, slate, and quartzite. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Classic, very coarse-grained igneous texture.

4 pounds of limestone chips supplied in a box.

Medium-grained with biotite.

Light gray, with flow structure.