Orthoceras Lens labradorite and often black hornblende

and often black hornblende

rosette-like crystal growth in warm

This Peruvian specimen displays a shiny

This item is 2" x 0

Orthoceras Lens labradorite and often black hornblendeThis teardrop shaped fossil is crafted by carving 500 million year old cone shells of extinct, squid like cephalopods. This is a beautiful stone that displays the contrast between the white calcite shell and the dark polished rock. Orthoceras is an extinct genus of marine nautiloid cephalopod that lived roughly 500 440 million years ago during the Ordovician period. As an ancient ancestors of modern squids and octopuses,, they are best known for their