Peridot Earrings Ammonite Fossils and Chambered Nautilus during the Jurassic time period

during the Jurassic time period

Uvarov was a Russian statesman and mineral collector

having existed for over 270 million years

Steinhardt

which were unearthed as gigantic shovels stripped coal from the top layer of the fossil beds

Peridot Earrings Ammonite Fossils and Chambered Nautilus during the Jurassic time periodPeridot is the gem variety of the mineral Olivine, which forms under intense volcanic heat and pressure deep below the Earth's crust. It receives it's grassy green color from the presence of iron and magnesium. Small crystals are abundant, but larger crystals are exceedingly uncommon. The first use of Peridot likely occurred on the island of Zabargad in the Red Sea some 3,500 years ago. Faceted stones from this location have been found in the ruins of