This is not snow and ice, but quartz - the most abundant material in the... more
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In Oregon, the major source of Thunder Eggs, it is often claimed that the name... more
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This is one of our most treasured images, and was produced by scanning with... more
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A secret passage into a sub-Saharan world? It seems to have perfect... 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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How can molten minerals deep inside the earth create such floating, cloud-like... more
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This marvellous, luminous greenness is because this is indeed jade - highly... more
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A wonderfully evocative image, isn't it? But of what? It certainly gets... more
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To many who believe in the healing power of crystals this exquisitely coloured... more
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Warm, boldly contrasting colours and the central molten "candle" help... more
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No real snow-covered mountain seen through trees looks quite like this, but the... more
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Goodness knows what this sensuously fluid and three-dimensional image reminds... 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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This reminded us strongly of looking down on the Cumbrian coast at dusk, but... more
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