3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Serpentine aphids can be a significant

aphids can be a significant pest in agriculture

While single-shell dates can be unreliable due to the mobility of uranium isotopes

Early South American settlers may have valued Glyptodon for its meat and fur

The woolly mammoth had long

3.6" Rough Green Nontronite Mineral Specimen Jove Lauriano Minas Gerais Brazil Serpentine aphids can be a significantLocation: Jove Lauriano Claim, Minas Gerais, Brazil Weight: 3. 2 Ounces Dimensions: 3. 6 Inches long, 2. 2 Inches Wide, 1. 6 Inches Thick The Item pictured is the one you will receive. Nontronite is a green clay mineral belonging to the smectite group, which also includes minerals like montmorillonite and saponite. Named after the town of Nontron in France, where it was first discovered, nontronite is typically found in low grade metamorphic rocks,