Halite
<p>Stratigraphy: F1 Salt Bed, ~mid-Cayugan Series, ~mid-Upper Silurian
</p>
Locality: Fairport Mine, Ohio, USA
James St. John
CC BY 2.0
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/47445767@N05/8514005498/">https://www.flickr.com/photos/47445767@N05/8514005498/</a>