File:Calcite.jpg

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Calcite. From wp-en. Banded agate. The specimen is one inch (2.5 cm) wide. Picture made without a camera by laying the carving on a flat bed scanner. Released to the public domain by Adrian Pingstone in May 2003. by en:User:Arpingstone

This work has been released into the public domain by its author, Arpingstone at the English Wikipedia project. This applies worldwide.

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The picture shows the double refraction of the light by the calcite.

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