Montana Agate
Strong angular backlighting emphasizes the concentric structure patterns this Montana agate; #2698
Moss Agate
Macrophotograph showing the structural depth of a moss agate from Oregon Image #4034
Fossil Palm, close up
Macrophotograph of the structural detail in a piece of polished petrified palm Image #4048
Graveyard Point Plume Agate
Strong backlighting enhances the color and chaotic structural depth of a Graveyard Point plume agate slice from Oregon Image #2812
Laguna Lace Agate
Macro photograph of the banding pattern in a laguna lace agate from Mexico Image #3234
Fossilized whale bone
Macrophotograph showing the structural detail in a whale bone fossil from Oregon Image #4045
Backlit Fluorite
Macro photograph of a strongly backlit slice of fluorite from China Image #2911
Hijo del Sol Agate
Macrophotograph of a cut and polished Hijo del Sol agate from Mexico Image #3866
Mookaite Jasper
Macro photograph of a slab of polished Mookaite jasper from Western Australia. Formed approx. 125 million yrs ago, in part, from the fossilization of microscopic protozoa called radiolaria.; Image #3761
Agate Design
Macrophotograph of the structural detail in a cut and polished agate Image #4053
Chrysocolla and Malachite
Macro photograph of a polished slab containing chrysocolla (blue) and malachite (green) from the Bagdad copper mine in Arizona Image #3171
Ammonite
An extinct marine invertebrate found in Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound; #2190
Macro photograph of the patterns in a laguna lace agate from Mexico Image #3251
Fossilized Oyster Shell
Macro photograph of the zig-zag joining of the two halves of a fossilized oyster shell (Alectryon carinata) from Madagascar; this species existed during the Cretaceous period; #2994
Blue Mountain Jasper detail
Macrophotograph of the colors and structural detail in a piece of cut and polished Blue Mountain Picture jasper from Oregon Image #3689
Sea shell collection in black and white
A variety of seashells including nautilus, lined moon, and tiger moon; converted to black and white and solarized; #1903BWS
Fossilized Wood
Macrophotograph of the structural detail in a piece of fossilized wood from Sweet Home, Oregon; #3920
Petrified Wood
Macrophotograph of the structural detail in a piece of polished petrified wood (Species: Araucaria, a conifer, from the Early Triassic, approx 220 million years ago; Madagascar); #3769
Labradorite
Macro photograph of a piece of labradorite (a member of the feldspar group of minerals); from Maniry, Madagascar; #2575
Petrified wood fossil
Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct confier Image #4061
