"WardsSci000478"

Brownish gray, kerogen-rich; commercial oil source.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Gray-to-brown basaltic, with over 50% vesicles.

Hematite-cemented quartz; orthoquartzite.

Everything You Need to Organize Your Specimens

A variety of colorful collections to introduce rocks, minerals and fossils.

Gray, fine to medium-grained “Berea grit”.