Open Access

Table A.1

Solid materials and optical constants. “am.” means amorphous. “→” means a replacement.

material sum formula references for optical constants / replacements
high-temperature condensates

solid tungsten W Ordal et al. (1988)
baddeleyite ZrO2 Dowling & Randal (1977)
corundum Al2O3 Begemann et al. (1997)
perovskite CaTiO3 Posch et al. (2003)
gehlenite Ca2Al2SiO7 Mutschke et al. (1998)
akermanite Ca2MgSi2O7 → Ca2Al2SiO7

silicates

am. fosterite Mg2SiO4 Jäger et al. (2003)
am. enstatite MgSiO3 Jäger et al. (2003)
am. silica SiO2 Henning & Mutschke (1997)
silicon monoxide SiO Wetzel et al. (2013)
jadeite NaAlSi2O6 Mutschke et al. (1998)
larnite Ca2SiO4 → Mg2SiO4
picrochromite MgCr2O4 → MgFeSiO4
spessartine Mn3Al2Si3O12 → MgFeSiO4
grossular Ca3Al2Si3O12 → MgFeSiO4
nepheline NaAlSiO4 → MgFeSiO4
kalsilite KAlSiO4 → MgFeSiO4
fayalite Fe2SiO4 Fabian et al. (2001)
wollastonite CaSiO3 Edrees et al. (2018)
sphene CaTiSiO5 → CaTiO3
diopside CaMgSi2O6 Arnold et al. (2014)
jadeite NaAlSi2O6 Mutschke et al. (1998)
kosmochlor NaCrSi2O6 → CaMgSi2O6
andradite Ca3Fe2Si3O12 → Mg0.7Fe0.3SiO3
zirconium silicate ZrSiO4 → ZrO2

feldspar components

albite NaAlSi3O8 Mutschke et al. (1998)
anorthite CaAl2Si2O8 → NaAlSi3O8
microcline KAlSi3O8 → NaAlSi3O8

metals and metal oxides

solid nickel Ni Ordal et al. (1987)
solid copper Cu Ordal et al. (1985)
solid iron Fe Palik (1991)
ferropericlase FeO Henning et al. (1995)
hematite Fe2O3 https://www.astro.uni-jena.de/Laboratory/OCDB/mgfeoxides.html
magnetite Fe3O4 https://www.astro.uni-jena.de/Laboratory/OCDB/mgfeoxides.html
ilmenite FeTiO3 → Fe2O3
hercynite FeAl2O4 → MgAl2O4
spinel MgAl2O4 Zeidler et al. (2011)
periclase MgO Palik (1991)
rutile TiO2 Zeidler et al. (2011)
titanium oxide Ti4O7 → TiO2
titanium oxide Ti3O5 → TiO2
eskolaite Cr2O3 → Fe2O3

materials containing sulphur

troilite FeS Henning & Mutschke (1997)
heazlewoodite M3S2 → FeS
sodium sulfide Na2S Khachai et al. (2009)
sphalerite ZnS Palik (1991)
alabandite MnS Huffman & Wild (1967)

phyllosilicates

lizardite Mg3Si2O9H4 → Mg0.7Fe0.3SiO3
sodaphlogopite NaMg3AlSi3O12H2 → Mg0.7Fe0.3SiO3
greenalite Fe3Si2O9H4 → Mg0.7Fe0.3SiO3
phlogopite KMg3AlSi3O12H2 → Mg0.7Fe0.3SiO3
lawsonite → Mg0.7Fe0.3SiO3
annite KFe3AlSi3O12H2 → Mg0.7Fe0.3SiO3
talc Mg3Si4O12H2 → Mg0.7Fe0.3SiO3
Mn-chloritoid MnAl2SiO7H2 → Mg0.7Fe0.3SiO3
diaspore AlO2H → Al2O3
goethite FeO2H → FeO
brucite MgO2H2 → MgO

other materials

am. carbon C Zubko et al. (1996)
dolomite CaMgC2O6 https://apps.dtic.mil/sti/citations/ADA19221S
halite NaCl Palik (1991)
sylvite KCl Palik (1991)
water ice H2O Warren & Brandt (2008)
amonia ice NH3 Martonchik et al. (1984)

replacement materials

am. olivine MgFeSiO4 Dorschner et al. (1995)
am. pyroxene Mg0.7Fe0.3SiO3 Dorschner et al. (1995)

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