330ct Iron-Stained Quartzite Roughs – Patuxent River Stone – Arundel Formation, Baltimore County, Maryland

This 330-carat lot of iron-stained quartzite roughs comes from the Patuxent River area within the Arundel Formation of Baltimore County, Maryland. Known for its iron-rich early Cretaceous sediments, this locality produces distinctive quartzite marked by warm rust-red, golden, and brown iron staining.

These rough pieces show natural texture, color variation, and classic Patuxent river-worn surfaces, making them excellent for collectors of regional geology, educational use, or those seeking unique U.S. locality roughs for display.

Weight: 330ct (lot)
Material: Iron-Stained Quartzite (Rough)
Locality: Patuxent River, Arundel Formation, Baltimore County, Maryland, USA

A unique and attractive rough lot from a classic Maryland geological unit—great for collectors and study.