3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Toe Their robust structure has allowed

Their robust structure has allowed researchers to successfully recover ancient DNA

Its hardness on the Mohs scale ranges from 5

meaning it can generate an electric charge under mechanical stress

This transformation commonly takes place in phosphate-rich environments

Such fossils help scientists and enthusiasts understand how plants recovered and evolved after mass extinction events

3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Toe Their robust structure has allowedLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 6. 5 Ounces Dimensions: 3. 6 Inches long, 2. 8 Inches Wide, 2. 1 Inches Thick The Item pictured is the one you will receive. Nontronite, a striking clay mineral from the smectite family alongside montmorillonite and saponite, owes its name to the town of Nontron in France, where it was first uncovered. This bold green mineral thrives in low grade metamorphic rocks, hydrothermal zones, and