3" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Purpurite Pterosaur bones were hollow and

Pterosaur bones were hollow and air-filled

It exhibits an isometric crystal system

slender body

and small aquatic organisms

offering a unique piece of prehistoric history to own and admire

3" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Purpurite Pterosaur bones were hollow andLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 6. 2 Ounces Dimensions: 3 Inches long, 3 Inches Wide, 2. 2 Inches Thick The Item pictured is the one you will receive. Nontronite is a captivating clay mineral in the smectite group, alongside minerals like montmorillonite and saponite. Named after the charming town of Nontron in France, where it was first discovered, nontronite is commonly found in low grade metamorphic rocks, hydrothermal