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Black quartz crystals outside
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Entrance to Galerie de Mineralogie et de Geologie
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Rock formations outside in the gardens
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Galerie de Mineralogie et de Geologie entrance
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Ancient Talc and Phonolite rocks
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Entrance of Gallery of Mineralogy and Geology
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Mineral rocks on display
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Marble from Boulogne
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The entrance to Galerie de Mineralogie et de Geologie