Description
Very large isolated cleavage block of tan orthoclase feldspar with approximately 90 degree cleavage along the short axis and 120-60 degree angles around the long axis.
Subject
Details
- Contributor
- Cooper, Thomas, 1759-1839
- Publisher
- University of South Carolina. McKissick Museum.
- Coverage
- Germantown, Philadelphia, Philadelphia County, Pennsylvania, United States
- Relations
- Historic Southern Naturalists