Claudia Zahn<p><a href="https://mastodon.social/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> on <a href="https://mastodon.social/tags/Quartz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Quartz</span></a>. San Valentín Mine (San Valentín Open pit), Sancti Spiritu, Sierra Minera de Cartagena-La Unión, La Unión, Murcia, <a href="https://mastodon.social/tags/Spain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Spain</span></a>.<br>Specimen size 24x19x11mm<br>By <a href="https://mastodon.social/tags/GeologicalWondersToo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologicalWondersToo</span></a> / Carlos Pareja<br><a href="https://mastodon.social/tags/Geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Geology</span></a> <a href="https://mastodon.social/tags/GeologyPage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologyPage</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/Minerals" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Minerals</span></a> <a href="https://mastodon.social/tags/Crystals" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Crystals</span></a> <a href="https://mastodon.social/tags/Gems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gems</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/NatureLovers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NatureLovers</span></a> <a href="https://mastodon.social/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturePhotography</span></a> <a href="https://mastodon.social/tags/Photographer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photographer</span></a> <a href="https://mastodon.social/tags/RockPorn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RockPorn</span></a></p>