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Quartz, transparent and "smoky".
These crystals have very reduced prism faces.
Huron River near Milan, OH
Main crystal is 5.3 mm wide. (Author: Pete Richards)

Quartz, transparent and "smoky".
These crystals have very reduced prism faces.
Huron River near Milan, OH
Main crystal is 5.3 mm wide. (Author: Pete Richards)

Dimensions: 750 x 563
File size: 40.69 kbytes
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