University of Northern Iowa

1973.0073 (Obsidian)

Perlite. Apache tear embedded in perlite. Smoky gray with glassy effect in some places. Color: GY

General Information

Accession #: 1973.0073
Collection: Petrology
Credit Line: Apache Tear Cave/Superior/AZ/United States

Location

Perm Location: 130-A26-3