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michicat: National Museum of Natural History
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michicat: Layers in Granite
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michicat: Cemented Sand Grains
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michicat: Cemented Sand Grains
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michicat: Hope Diamond
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michicat: Napoleon Diamond Necklace and Marie Louise Diadem
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michicat: Sapphire and Diamonds
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michicat: Hall Sapphire and Diamond Necklace
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michicat: Hooker Yellow Diamonds and Emerald Brooch
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michicat: Hooker Emerald Brooch
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michicat: Mackay Emerald and Diamond Necklace
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michicat: Indian Emerald Necklace and Gachala Emerald
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michicat: Indian Emerald Necklace
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michicat: Maximilian Emerald Ring
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michicat: Hazel Diamond Necklace
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michicat: Elbaite and Grossular
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michicat: Minerals
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michicat: Minerals
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michicat: Okenite
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michicat: Celestine
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michicat: Fluorite
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michicat: Gypsum
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michicat: Elbaite
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michicat: Opals
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michicat: Corundum
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michicat: Amethyst
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michicat: Pahoehoe Lava
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michicat: Game Skeletons
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michicat: Giraffe Skeleton
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michicat: Camel Skeleton