Medium Trilobite (Flexicalymene) Morocco Canada These stones are made up

These stones are made up of fragments of course-grained igneous rock

It is also a fluorescent mineral that has a yellow or orange glow under a black light

and Hematite

This item is 4" x 4

often forms within quartz as crystal blades most commonly presenting rich blue hues ranging from pale sky to deep ocean

Medium Trilobite (Flexicalymene) Morocco Canada These stones are made upTrilobites are an extinct class of marine arthropods that thrived for nearly 270 million years, from the early Cambrian to the end of the Permian period. Fossils of these creatures can be found across the globe, though this specimen was found in Morocco. This item is 3. 5" x 2" and weighs 4. 25 oz