DescriptionThe tip of Mont Blanc, Teylers Museum.jpg
English: The tip of Mont Blanc. Biotite granite collected by Honoré-Benedicte de Saussure during the ascent of 1787. Purchased from in the summer of 1802 by Martinus van Marum for Teylers Museum. Collection Teylers Museum, Haarlem, The Netherlands.
Attribution: Teylers Museum, Haarlem, the Netherlands
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