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Amethyst stalactite with about 1 meter tall, with calcite, detail of tip of about 25 cm X 15 cm X 15 cm. (Author: silvio steinhaus)

Amethyst stalactite with about 1 meter tall, with calcite, detail of tip of about 25 cm X 15 cm X 15 cm. (Author: silvio steinhaus)

Dimensions: 640 x 426
File size: 31.8 kbytes
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