blue agate slices in the front and back light standing

039 agate age back backlight banded beauty blue bowl bright closeup colour coloured copy crosssection crust crystal crystalline crystallization detail disc earth edelstein elongated flat front geologically geology history light macro mineral multicolored naturally nature object patterned plate polished quartz rock semiprecious shot slate slice slices space standing stone strip striped stripes studio surface template thin transparent variety volcanic