This is British sandstone, and does look like a gently undulating rural... more
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To the eye, this agate appeared a murky yellow with a fuzzy dark red shape... more
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An understandably popular image, perhaps because of the warmth of its colours... more
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What else is this but a burnished landscape with cliffs and canyon? Actually,... more
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Are we airborne, looking down on clouds and mountains, or on a cliff looking... more
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A wonderfully evocative image, isn't it? But of what? It certainly gets... more
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Ocean jasper is the trade name for a variety of orbicular jasper found along... more
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The more you look into this crystalline "gateway", the more there is... more
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A wondrous honeycomb of golden mountains deeply cut with caves, and calcite is,... more
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As with many of these images, it reminds you of something - and nothing - you... more
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A secret passage into a sub-Saharan world? It seems to have perfect... more
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Warm, boldly contrasting colours and the central molten "candle" help... more
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Does this conjure up a feeling of turbulent movement frozen in time?
It... more
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The bright, rainbow-like "flames" contrast dramatically with the... more
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This is Tiger's Eye, and its 'cornfields' and distant... more
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Is it an alien creature on a fiery planet in a sci-fi film? A rearing cobra? An... more
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Paesina - "landscape" - Stone comes from Tuscany, and this... more
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An exploding volcano, or the youth of this planet? Whatever, it is an... more
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More like a Turner painting of sunset on a beach than anything else, it is no... more
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Rhyolite is a volcanic rock that often looks like granite to the naked eye, but... more
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Wonderfully fluid and almost 3D, this seems like coral painted from below with... more
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Paesina - "landscape" - Stone comes from Tuscany, and this... more
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Isn't it fascinating that a material as hard as flint can yield an image... more
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It looks like a crack of lightning setting fire to the earth below, but no... more
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Do have a look at this at a larger size. At even A4 size, it is a wonderfully... more
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Why lavafall? Because obsidian is a naturally occurring glass formed when lava... more
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This looks like soft fabric rather than the crystal structure it actually is.... more
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A stunningly dramatic image that appears to be lit from inside the mountains,... more
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To many who believe in the healing power of crystals this exquisitely coloured... more
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Do you see the mysterious spiky features as desert plants growing amongst... more
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Radiant, beautiful, subtle...The larger you see this image the more impressive... more
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A powerful yet seductive "space" image dominated by a "sun"... more
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Whereas close-ups of many agates seem to recall familiar landscapes, this image... more
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A wonderful image full of drama with a superb richness that seems to represent... more
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This seems reminiscent of an ancient Chinese landscape painting on vibrant... more
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Obsidian is a naturally occuring glass formed when lava from a volcano cools... more
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This seems as close as nature gets to the spirit of Jackson Pollock, and a... more
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In ideal conditions, quartz forms the perfectly clear six-sided prisms we can... more
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Thanks to the pair of startling 'agate eyes', this wonderfully baroque... more
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