DescriptionGraphite (Ceylon) 15.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 5.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 6.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (very pure) - Ceylon.jpg Deutsch: Graphit (sehr rein) - Fundort: Ceylon - Ausgestellt im Mineralogischen Museum Bonn English: Graphite (very...
This file has an extracted image: Outline map of the Peruvian Expedition of 1912.jpg....
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