No Fire: Set after firing.21mm thick. Because this shell has been naturally embedded in stone, one side has a chiselled, flat surface.Natural gemstones can vary in thickness. If you need to know the vertical dimension of a specific gemstone, please contact customer service.
Druzy, also often spelled drusy, druse or drusies, refers to tiny quartz crystals that form within or on the surface of other stones. In this case a fossilized shell.