Sample of chalcedony, a material used to make stone tools. Overall measurements are approximately 4.3 cm in length and 5 cm at its widest point.
- Catalog Number:
- 2215
- Object/Specimen Description:
- Specimen Count:
- 1
- Precise Locality:
Potomac River at Seneca
- Locality:
- US Mid Atlantic (PA, NJ, MD, DE, DC, VA, WV)
- Collecting Locality:
- North America, United States, Maryland, Montgomery County