Browse Items · University of Arkansas Museum

Agate

Small, cut and polished piece of a banded light to dark gray and light reddish-brown agate.

Tags: Brown, Colorado, Geology, Gray, North America, Red, Rocks and Minerals, United States

Collection of miscellaneous pebbles of tans, browns, and grays.

Tags: Brown, Geology, Gray, Rocks and Minerals, Tan

Collection of miscellaneous pebbles of tans, browns, and grays.

Tags: Brown, Geology, Gray, Rocks and Minerals, Tan

Collection of miscellaneous pebbles of tans, browns, and grays.

Tags: Brown, Geology, Gray, Rocks and Minerals, Tan

Collection of miscellaneous pebbles of tans, browns, and grays.

Tags: Brown, Geology, Gray, Rocks and Minerals, Tan

Collection of miscellaneous pebbles of tans, browns, and grays.

Tags: Brown, Geology, Gray, Rocks and Minerals, Tan

Algae fossil

Tags: Brown, Fossils, Geology, Gray, Kansas, North America, Pennsylvanian, Plants, United States, Yellow

Algae fossil.

Tags: Fossils, Geology, Gray, Mississippian, Missouri, North America, Plants, United States

This specimen is a concentrate of antimony, probably from a smelting operation of some type.

Tags: Australia, Geology, Gray, Rocks and Minerals

Specimen of bluish gray, slightly translucent barite crystals; crystals are tabular prismatic with elongation along either the A or B axis.

Tags: Blue, Geology, Gray, Montana, North America, Rocks and Minerals, United States