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David Delache: Aragonito Pantoja Toledo
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David Delache: Chalcanthite
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David Delache: Pentagonite & Heulandite
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David Delache: Ludlamite-Sidérite-Pyrite
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David Delache: Col du Grand Fond
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David Delache: Hémimorphite
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David Delache: Hémimorphite
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David Delache: Célestite
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David Delache: Rubis & Fuschite
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David Delache: Shungite
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David Delache: Vanadinite
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David Delache: Tourmaline
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David Delache: Sphalérite
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David Delache: Quartz & Chalcopyrite
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David Delache: Okénite
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David Delache: Gypse
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David Delache: Célestite
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David Delache: Dioptase
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David Delache: Cinabre & Dolomite
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David Delache: Carbure de silicium (synthétique)
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David Delache: Béryl
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David Delache: Apophyllite
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David Delache: Pentagonite & Heulandite