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Mineral Cup #MinCup24
mineralcup.bsky.social
did:plc:r6drdfmf5fzdtvuacnfmfiga
Which mineral is the best of them all? Campaign & vote in #MinCup each September. Founded in 2017 by Eddie Dempsey, admin Mika McKinnon, always looking for volunteers! www.MineralCup.org
Rhodochrosite photo credits: Smithsonian Institute