208ct Historical Iron Foundry Slag (1700–1800s) – Baltimore County, Maryland

This 208-carat specimen of historical iron foundry slag comes from Baltimore County, Maryland, an area known for its early American ironworks active throughout the 1700s and 1800s. Material like this was created during the smelting process, where molten impurities cooled into uniquely shaped, glassy industrial byproducts.

This piece displays rich metallic lusters, iridescent surfaces, and rugged texture, characteristic of early iron production methods. Such slag specimens are prized by collectors of industrial history, early Americana, and unique geological–historical crossover materials.

Weight: 208ct
Material: Iron Foundry Slag (Historic Industrial Byproduct)
Estimated Era: 1700–1800s
Origin: Baltimore County, Maryland, USA

A fascinating piece of early American industrial history—perfect for collectors of historical artifacts or unique mineral curiosities.