3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Serpentine Early South American settlers may

Early South American settlers may have valued Glyptodon for its meat and fur

as Otodus coexisted with other formidable marine predators

This incredibly robust structure played a crucial role in protecting the developing embryo

Sporting a sharp duckbill and a striking bony crest atop its skull

3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Serpentine Early South American settlers mayLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 3. 2 Ounces Dimensions: 3. 6 Inches long, 2. 2 Inches Wide, 1. 6 Inches Thick The Item pictured is the one you will receive. Nontronite is a green clay mineral belonging to the smectite group, which also includes minerals like montmorillonite and saponite. Named after the town of Nontron in France, where it was first discovered, nontronite is typically found in low grade metamorphic rocks,