2.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Otodus Shark This unique collection showcases Archaeopteryx

This unique collection showcases Archaeopteryx

an apatemyid (tree-dwelling insectivore)

are highly valued by collectors and researchers alike

This specimen features delicate leaves and feather impressions

2.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Otodus Shark This unique collection showcases ArchaeopteryxLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 3. 8 Ounces Dimensions: 2. 6 Inches long, 2. 2 Inches Wide, 1. 8 Inches Thick The Item pictured is the one you will receive. Nontronite is a captivating clay mineral belonging to the smectite group, alongside well known minerals such as montmorillonite and saponite. Named after the picturesque town of Nontron in France, where it was first identified, this mineral commonly forms in low grade