3" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Dendrite and weighed approximately 3

and weighed approximately 3

including striking multicolored and banded forms

These meteorites are composed predominantly of orthopyroxene

and the Late Cretaceous ecosystems of Hell Creek provided an ideal environment for them

3" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Dendrite and weighed approximately 3Location: 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