Claudia Zahn<p>Pyritized ammonites from Saratov area, Saratov Oblast, Russia. 10.3cm wide.<br>Musée Redpath Museum collection<br>Michael J. Bainbridge Photography<br>By <a href="https://mastodon.social/tags/GeologicalWondersToo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GeologicalWondersToo</span></a> / Michael Bainbridge<br><a href="https://mastodon.social/tags/Geology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Geology</span></a> <a href="https://mastodon.social/tags/GeologyPage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GeologyPage</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/Minerals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Minerals</span></a> <a href="https://mastodon.social/tags/Crystals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Crystals</span></a> <a href="https://mastodon.social/tags/Gems" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Gems</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/NatureLovers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NatureLovers</span></a> <a href="https://mastodon.social/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NaturePhotography</span></a> <a href="https://mastodon.social/tags/Photographer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photographer</span></a> <a href="https://mastodon.social/tags/RockPorn" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RockPorn</span></a></p>