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ElementhufigkeitErdkruste.svg en Diagram of the abundance of Elements in the Earth's Crust de Diagramm der Elementhufigkeiten in der kontinentalen Erdkruste Eigenes Werk own work data souce David Lide ed CRC Handbook of Chemistry and Physics Auflage CRC Press Boca Raton Florida Section Geophysics Astronomy and Acoustics Orci Elements