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>
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#goethite
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Claudia Zahn<p>Spherical spray of <a href="https://mastodon.social/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> with a black-coated <a href="https://mastodon.social/tags/Hematite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hematite</span></a> rose<br>Marmoraton Mine, Marmora, Ontario.<br>Photo by Michael Bainbridge<br>By <a href="https://mastodon.social/tags/GeologicalWondersToo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologicalWondersToo</span></a> / Karen Kemp<br><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>
Claudia Zahn<p>Red-coated <a href="https://mastodon.social/tags/Hematite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hematite</span></a> rosettes with <a href="https://mastodon.social/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> needles<br>Marmora, Ontario<br>Field of view: 2.4 x 1.8 mm<br>Photo by Michael Bainbridge<br>By <a href="https://mastodon.social/tags/GeologicalWondersToo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologicalWondersToo</span></a> / Karen Kemp<br><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>
Matt Willemsen<p>NASA Unveils First-Ever Global Maps of Earth’s Surface Minerals<br><a href="https://scitechdaily.com/nasa-unveils-first-ever-global-maps-of-earths-surface-minerals/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">scitechdaily.com/nasa-unveils-</span><span class="invisible">first-ever-global-maps-of-earths-surface-minerals/</span></a> <a href="https://mastodon.social/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://mastodon.social/tags/EMIT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EMIT</span></a> <a href="https://mastodon.social/tags/global" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>global</span></a> <a href="https://mastodon.social/tags/map" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>map</span></a> <a href="https://mastodon.social/tags/surface" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surface</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/dust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dust</span></a> <a href="https://mastodon.social/tags/source" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>source</span></a> <a href="https://mastodon.social/tags/hematite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hematite</span></a> <a href="https://mastodon.social/tags/goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>goethite</span></a> <a href="https://mastodon.social/tags/kaolinite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kaolinite</span></a></p>
Vicky Veritas<p>Ask your husband (I asked mine:), your mom, your next-door neighbor! It’s that close! Vote Goethite now! Link below! <a href="https://c.im/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a></p><p>Vote here: <a href="https://www.mineralcup.org/2023/campaigns/round-1-match-6" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mineralcup.org/2023/campaigns/</span><span class="invisible">round-1-match-6</span></a></p>
Bud Talbot<p><span class="h-card"><a href="https://c.im/@vickyveritas" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>vickyveritas</span></a></span> I voted for <a href="https://m.ai6yr.org/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a>. I've got a soft spot for it since my wife did a bunch of XRD on goethite as an undergrad researcher <a href="https://m.ai6yr.org/tags/mincup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mincup23</span></a></p>
Vicky Veritas<p>Less than 50 votes needed for <a href="https://c.im/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> to win! Vote here now: <a href="https://www.mineralcup.org/2023/campaigns/round-1-match-6" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mineralcup.org/2023/campaigns/</span><span class="invisible">round-1-match-6</span></a> Description in ALT text! <a href="https://c.im/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a></p>
Vicky Veritas<p><a href="https://c.im/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> from the Natural History Museum of London. Go, go Goethite! <a href="https://c.im/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a></p>
Mineral Cup<p><a href="https://mastodon.social/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> has under 2 hours to scrounge up 80 votes if it wants to beat out <a href="https://mastodon.social/tags/Topaz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Topaz</span></a> for a slot in <a href="https://mastodon.social/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a> Round 2</p>
Bill Minarik<p>limpet teeth, a composite containing <a href="https://fosstodon.org/tags/goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>goethite</span></a>, are the strongest known biological material in tension -twice as strong as spider silk.<br><a href="https://fosstodon.org/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a> <a href="https://fosstodon.org/tags/Limpet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Limpet</span></a> <a href="https://fosstodon.org/tags/Minerals" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Minerals</span></a> <a href="https://fosstodon.org/tags/Materials" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Materials</span></a> <br><a href="https://daily.jstor.org/worlds-strongest-material-limpet-teeth/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">daily.jstor.org/worlds-stronge</span><span class="invisible">st-material-limpet-teeth/</span></a></p><p>Rumney, R.M.H., Robson, S.C., Kao, A.P. et al. Biomimetic generation of the strongest known biomaterial found in limpet tooth. Nat Commun 13, 3753 (2022). <a href="https://doi.org/10.1038/s41467-022-31139-0" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1038/s41467-022-311</span><span class="invisible">39-0</span></a><br>Open Access<br><a href="https://www.nature.com/articles/s41467-022-31139-0" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s41467-022</span><span class="invisible">-31139-0</span></a></p>
Vicky Veritas<p>One of the coolest things about <a href="https://c.im/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a> is that it frequently replaces other minerals taking on their shapes as a psuedomorph. Below is Goethite after Marcasite, Goethite after Selenite, Goethite after pyrite iron cross twins, and a lovely gothy Goethite crystal spray just for fun. <a href="https://c.im/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a></p>
Mineral Cup<p><a href="https://mastodon.social/tags/MinCup23" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MinCup23</span></a> Round 1 Match 6: It’s a pair of classics as sparkly & hard <a href="https://mastodon.social/tags/Topaz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Topaz</span></a> crosses reliable & rusty <a href="https://mastodon.social/tags/Goethite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Goethite</span></a></p><p>Vote: <a href="https://www.mineralcup.org/2023/campaigns/round-1-match-6" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mineralcup.org/2023/campaigns/</span><span class="invisible">round-1-match-6</span></a></p><p>Results: <a href="https://www.mineralcup.org/results/round-1-match-6" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mineralcup.org/results/round-1</span><span class="invisible">-match-6</span></a></p>
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