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Mineral Cup & Ore Cup

MineralCup@mastodon.social

<p>Which mineral is the best of them all? Campaign &amp; vote in <a href="https://mastodon.social/tags/MinCup" class="mention hashtag" rel="tag">#<span>MinCup</span></a> each September. Founded in 2017 by Eddie Dempsey, admin <span class="h-card" translate="no"><a href="https://mastodon.social/@mikamckinnon" class="u-url mention">@<span>mikamckinnon</span></a></span>. DM to volunteer!</p>

Posts

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    #MinCup26 Quarterfinal 4 We&#39;re coming down the end! Are you supporting lead-locking #pyromorphite or ancient #graphite as we enter the semifinals. VOTE: https://www.mineralcup.org/2026/vote-results/vote-r3m04 RESULTS: https://www.mineralcup.org/2026/vote-results/results-r3m04

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    #MinCup26 Quarterfinal 4 Linked by archaic translations and mineralogical misunderstandings, the quarterfinals are ending in hexagons with vivid pyromorphite vs writeable graphite. VOTE: https://www.mineralcup.org/2026/vote-results/vote-r3m04 RESULTS: https://www.mineralcup.org/2026/vote-results/results-r3m04

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    #MinCup26 Quarterfinal 1 It’s a rich red start to the quarterfinals as two components of brass face off with zinc ore #Sphalerite is up against copper-rich #Cuprite. VOTE: https://www.mineralcup.org/2026/vote-results/vote-r3m01 RESULTS: https://www.mineralcup.org/2026/vote-results/results-r3m01

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    #MinCup26 Round 2 Match 6: It&#39;s a pair of soft, heavy lead minerals as vivid hexagonal phosphate #Pyromorphite is against spiralling rolled sheets of #Cylindrite. VOTE: https://www.mineralcup.org/2026/vote-results/vote-r2m06 RESULTS: https://www.mineralcup.org/2026/vote-results/results-r2m06

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    #MinCup26 Round 2 Match 4 Both colourful yet opposite in almost every other way, it’s abundant and hard #Quartz against rare and very soft #Stichtite. VOTE: https://www.mineralcup.org/2026/vote-results/vote-r2m04 RESULTS: https://www.mineralcup.org/2026/vote-results/results-r2m04

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    Winning by just 11 out of 1705 votes, primary mineral #Skutterudite is continuing on to represent cobalt and arsenic in #MinCup26 Round 2. While beautiful and beloved, weathering product #Erythrite didn’t quite make it.

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    #MinCup23 Round 1 Match 15 is blue. Very blue. Metamorphically blue. Pick one: newbie #Sapphirine vs returning #Kyanite. Vote: https://www.mineralcup.org/2023/campaigns/round-1-match-15 Results: https://www.mineralcup.org/results/round-1-match-15