Small-medium Bauxite Discs from Nigeria

Availability: 8 in stock

20" strand of small brick red Bauxite discs from Nigeria circa 1900s. Discs average approx 5-7mm diameter x 4-5mm long (with some bigger and some smaller), with a 2mm hole. What’s "bauxite"? It is a rock, comprised of iron and aluminum, and is the primary core of aluminum.