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Quartz Geode
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Quartz-chalcedony concretion with geode (from Staritsa)
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Gzhel - quartz concretion
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Quartz crystals on a large flint
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An interesting stone from a forest stream
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Soleniscidae - Strobeus, view 1
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Soleniscidae - Strobeus, view 2
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Soleniscidae - Strobeus, view 1
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Carboniferous: Brachiopoda. Productida. Admoskovia
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Aulopora macrostoma
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A stone from a glacial moraine
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Carboniferous: Brachiopoda
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Quartz
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Striped flint from the vicinity of Serpukhov
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Syringopora
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Minerals and fossils from Gzhel (9)
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Minerals and fossils from Gzhel (8)
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Minerals and fossils from Gzhel (7)
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Minerals and fossils from Gzhel (6)
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Minerals and fossils from Gzhel (5)
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Minerals and fossils from Gzhel (4)
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Minerals and fossils from Gzhel (3)
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Minerals and fossils from Gzhel (2)
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Minerals and fossils from Gzhel (1)
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Clay quarry (clay of the Carboniferous period)
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Jurassic ammonite from Glebovo
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Ammonite from the Cheremukha River
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Ammonite from the Cheremukha River
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Initial turns of Jurassic ammonite from Glebovo
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Microfossils of Serpukhovian (Mississippian). Bryozoa