3.1" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Carpolithus and metallic phases reveal the

and metallic phases reveal the complex processes that shaped this extraterrestrial relic

numerous tubercles were present along the neck

making the sulfur exceptionally desirable for industrial applications

It is also crucial for life forms on this planet

surviving until the end of the last glacial period

3.1" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Carpolithus and metallic phases reveal theLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 4 Ounces Dimensions: 3. 1 Inches long, 2. 1 Inches Wide, 1. 7 Inches Thick The Item pictured is the one you will receive. Nontronite is a green clay mineral belonging to the smectite group, alongside montmorillonite and saponite. First discovered in the town of Nontron, France, this mineral is typically found in low grade metamorphic rocks, hydrothermal deposits, and weathered volcanic ash