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Mid-infrared spectroscopy of crystalline plagioclase feldspar samples with various Al,Si order and implications for remote sensing of Mercury and other terrestrial Solar System objects

Hiesinger, Harald; Helbert, Jörn; Weber, Iris +4 more

We analyzed plagioclase feldspar samples that were well-characterized in terms of chemical composition as well as degree of Al,Si order in mid-infrared reflection spectra between 7 µm and 14 µm (1429 cm^-1 and 714 cm^-1). The chemical compositions were derived with an electron microprobe analyzer. To determine the d…