"Metamorphic+Rocks"

Black, soft; most widely mined.

Light gray, with flow structure.

Medium-grained with biotite.

White, mature, friable.

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

Red, medium, to coarse-grained iron oxide cement; shows hematite bands.

Fine to medium-grained with biotite.

Well-cemented, medium-grained orthoquartzite.

Gray with line crinoid columnal fragments.

VWR® 2D platform rockers are ideal for use in blotting and staining applications as well as gentle mixing of solutions and reagents.

Classic, very coarse-grained igneous texture.

Learn about the process of rock formation.

Dark, waxy, bitumin-rich.

Cemented glacial gravel.

Dark gray, with hornblende as the dominant mafic mineral.

Gray to brown mudstone with abundant silt.