Fig. 9
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Stellar (blue) and planetary (red) Fe, Mg, and Si abundances (left) and Ca, Al, and Na abundances (right), normalised to the sum of these three elements. Solar abundances (Asplund et al. 2009) and Earth composition (Wang et al. 2018) are plotted for comparison. While most planets and stars overlap, there are some clear components where Mg and/or Si are depleted.
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