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510011792

A crystal ball. This polished ball is fashioned from quartz (variety rock crystal) and does show some double refraction, but not as conspicuous as would be observed in a calcite ball.

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Filename
510011792.jpg
Copyright
Irish Photo Archive
Image Size
4300x4300 / 6.8MB
Contained in galleries
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A crystal ball.  This polished ball is fashioned from quartz (variety rock crystal) and does show some double refraction, but not as conspicuous as would be observed in a calcite ball.