Cinnabar (New Almaden, California, USA)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/47445767@N05">James St. John</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jsjgeology/18824306236/">Cinnabar (New Almaden, California, USA)</a>