Orthoceras Pendant - SOLD 2.23" klarna First Supercomputer Cray-1 IC Chip

First Supercomputer Cray-1 IC Chip & Board

When an irritant (sand

This 18-inch (~45cm) Sterling Silver wheat chain necklace features a custom-crafted piece of surfite

In the southeastern spur of North Africa’s Great Sand Sea

Elephant Bird Eggshell

Orthoceras Pendant - SOLD 2.23" klarna First Supercomputer Cray-1 IC ChipOrthoceras was an Ordovician cephalopod with a calcium carbonate shell which provided excellent physical protection against their natural predators. This necklace is a fossilized shell from this animal that has been preserved in great detail. You can even see the individual chambers the nautiloid had in its shell. This pendant is a 2. 23" Orthoceras fossil with a fine sterling silver backing and an 18 inch chain of the same material.