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MINERAL FOTO ATLAS Donnayite-(Y) / Donnayit-(Y) NaCaSr3Y(CO3)6·3H2O Crystals of donnayite-(Y). Mt. Saint-Hilaire, Quebec, Canada. Picture size 5 mm. Collection and foto Thomas Witzke. Kristalle von Donnayit-(Y). Mt. Saint-Hilaire, Quebec, Canada. Bildbreite 5 mm. Sammlung und Foto Thomas Witzke. © Thomas Witzke |
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