Macrophotograph of the colors and structural detail in a piece of cut and polished Blue Mountain Picture jasper from Oregon Image #3690 4080 X 6144 pixels
Macro photograph of the structural detail in a cut and polished crazy lace agate from Mexico; Agate is a variety of cryptocrystalline quartz Image # 3718
Macro photograph of the banding pattern in a laguna lace agate from Mexico Image #3220
