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. 2021 Jun 24;11:13212. doi: 10.1038/s41598-021-92130-1

Table 4.

Volume thermal expansion coefficients.

Minerals Compositions αv [K−1] References
Plagioclases (Ca,Na)(Al,Si)2Si2O8 1.6–2.8 × 10−5 20
Clinopyroxenes Ca(Mg,Fe)Si2O6 2.7–2.9 × 10−5 8,21
Orthopyroxenes (Mg,Fe)2Si2O6 2.31–2.51 × 10−5 22
Olivine Mg1.84Fe0.16SiO4 2.67 × 10−5 This study

Volume thermal expansion coefficients, αv, for the main constituent phases of planetary bodies.