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14th Annual Smithsonian Magazine Photo Contest Natural World
Chalcedony Under Microscope

This photo shows a chalcedony sample under microscope with the use of a calcite accessory plate.

Photo Detail
Date Taken: 11.2016
Date Uploaded: 11.2016
Photo Location: Athens, West Virginia, United States of America
Camera: iPhone 6s
Copyright: © Leigh Gills