PYRITE “SUN”

OVERVIEW

This is a photo of a pyrite “sun” (or “dollar”) from Illinois. These small coin-shaped specimens are found in compacted shale layers above or within coal deposits (1). If you look closely at the detail view, you can see the reflection from what look to be flakes of pyrite.

PHOTOGRAPHS

Detail view.

SPECIMEN

Side 1

Side 2

Approximate Photo Location (Side 2)

PHOTOGRAPH DETAILS

Magnification: ~2.1X

Field of view: ~7/16” x 11/16“ (11.4mm x 17.1mm)

Images in focus stack: 13

ADDITIONAL INFORMATION

Image of the specimen and setup.

REFERENCES

1. Wilson, G. (2015). Pyrite sun. Retrieved from Turnstone Geological Services Limited.

Copyright © 2016–2019 by Aaron-Emile W. Osborn, all rights reserved.