Macro photograph of linear patterns in a Whitcomb Creek geode from Oregon; a geode is a stone nodule with an inner cavity filled with crystals or mineral matter; converted to black and white Image #3287BW 4739 X 3083 pixels
Macrophotograph of an agate from the Wingate Pass area near Death Valley, California. Also known as 'Death Valley Plume Agate Image #4152 4080 X 6100 pixels (18.85 MB)
Macro photograph of the color and detail in a backlit Sheep Creek plume agate from Oregon Image #3524 3200 X 4800 pixels
