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One-celled animals
Jan 2
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December 2025
Shonkinite
A strange rock
Dec 31, 2025
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A Tale of Four Opals
Or maybe just three
Dec 29, 2025
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Gold in Indiana
From Canada
Dec 26, 2025
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Noreena Jasper
Archean
Dec 24, 2025
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Perfins
Stamps with geological connections
Dec 22, 2025
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Ivanhoe Mine
Montana's largest tungsten producer
Dec 19, 2025
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Sahara: In Ouzzal
Just a pretty map
Dec 17, 2025
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Propylite
And Baron von Richthofen
Dec 15, 2025
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Mt. Evans Batholith
Anorogenic magmatism in Colorado
Dec 12, 2025
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Trapiche emerald
Not a twin
Dec 10, 2025
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Gilsonite
Solid petroleum
Dec 8, 2025
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