Macro photograph of the various shapes in a Brazilian agate slice; from Brazil Image #3756 5833 X 4017 pixels
Macro photograph of the structural detail in a Graveyard Point plume agate from eastern Oregon Image #3434 5837 X 4080 pixels
Macrophotograph of the structural details in a plume agate; from the Owyhee region of eastern Oregon Image #3753 4485 X 5755 pixels
