Utah Septarian Nodule Slab! Lapidary Stone Slab! Copal you'd be insane to pass

you'd be insane to pass this one up

and its high silica content

as do some tumbling sized chunks of rough

This material has a lot of variety

If you have any questions about a specific piece

Utah Septarian Nodule Slab! Lapidary Stone Slab! Copal you'd be insane to passSeptarian Nodules are round stones that were organic fossils that were devoured by bacteria and replaced with calcite! They can be geodes (hollow with calcite crystals), or solid with unique and interesting patterns! Most Septarian Nodules take an excellent polish and work into some fine cabochons or display slabs! Surviving fossils can also sometimes be found within Septarian Nodules! Most Septarian Nodules come from Utah and Morocco! Measurements