Laguna Agate
Macrophotograph of the banding patterns and structural detail in a cut and polished Laguna agate from Mexico Image #4099 3200X4800
Malachite
Macrophotograph of a cross-sectioned and polished malachite stalactite from the Democratic Republic of the Congo. Malachite is a copper based mineral. Image #4105 6100 X 4080
Petrified Wood
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 conifer Image #4080 6144 X 3876
Laguna Lace Agate Banding
Macro photograph of the banding pattern in a laguna lace agate from Mexico Image #4086 4080 X 6144
Pilbara Agate
Macro photograph depicting the depth in a Pilbara agate from Western Australia. Image #3580
Stone Canyon Rock
Macrophotograph of a Stone Canyon rock slab; a combination of brecciated jasper in an agate matrix; from California Image #4092 4800 X 3200
Backlit Brazilian Agate
Backlighting enhances the color and detail in this Brazilian agate Image #3939
Macrophotograph of the structural detail in a cut and polished Laguna agate from Mexico Image #4100 6058 X 3686
Nautilus Shell in black and white
Cut pearlized nautilus shell converted to black and white Image #1506
Chrysocolla and Malachite
Macro photograph of a polished slab containing chrysocolla (blue) and malachite (green) from the Bagdad copper mine in Arizona; #3304
Moss agate
Macrophotograph of the internal structural detail in a cut and polished moss agate from India Image #2706
Plume Agate
Macro photograph of the structural detail in a sliced Graveyard Point plume agate from eastern Oregon Image #2798
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
Ammonite
An extinct marine invertebrate found in Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound Image #2190
Crystallized Petrified Wood
Macro photograph of crystalline patterns in a cut and polished piece of fossilized wood from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene Epoch) Image #2224
Cactus Quartz/Amethyst
Macrophotograph of a small portion of a Cactus quartz (a.k.a. Spirit quartz) crystal cluster with purple amethyst. The orange coloration is due to iron oxidation and small iron inclusions can be seen in the matrix of many of the crystals. From the Magaliesberg Mountains of South Africa. Image #4111 4800 X 3200
