Description
Sample of layered nearly white to pale yellow, translucent microcrystalline quartz, var. chalcedony on an irregular core of black onyx. Chalcedony layer is pseudo-botryoidal in habit.
Subject
Details
- Contributor
- Cooper, Thomas, 1759-1839
- Publisher
- University of South Carolina. McKissick Museum.
- Coverage
- Wilmington,New Castle County, Delaware, United States
- Relations
- Historic Southern Naturalists
