Table 3
Typical mineral composition of chondrites, mass-densities ϱ of their components, mass-fractions Xmin of the components, their volume fractions fmin, the heat conductivity K at room temperature of the components, and the resulting bulk value of density and heat conductivity (data from Yomogida & Matsui 1983; van Schmus 1969; Jarosewich 1990).
| Species | Composition | ϱ | Xmin | fmin | K | Composition | ϱ | Xmin | fmin | K |
| g cm-3 | W/mK | g cm-3 | W/mK | |||||||
|
|
||||||||||
| H-chondrite | L-chondrite | |||||||||
| Olivine | Fo80Fa20 | 3.51 | 0.37 | 0.399 | 4.349 | Fo75Fa25 | 3.58 | 0.49 | 0.491 | 4.142 |
| Orthopyroxene | En83Fs17 | 3.25 | 0.25 | 0.291 | 4.150 | En78Fs22 | 3.27 | 0.23 | 0.253 | 3.965 |
| Clinopyroxene | En49Fs6Wo45 | 3.09 | 0.05 | 0.061 | 4.660 | En48Fs8Wo44 | 3.10 | 0.06 | 0.070 | 4.660 |
| Plagioclase | Ab82Or6An12 | 2.64 | 0.08 | 0.114 | 1.935 | Ab84Or6An10 | 2.64 | 0.08 | 0.109 | 1.985 |
| Nickel-iron | Irn92Nkl8 | 7.90 | 0.20 | 0.096 | 29.383 | Irn87Nkl13 | 7.95 | 0.09 | 0.041 | 25.757 |
| Troilite | Tr | 4.91 | 0.05 | 0.039 | 4.600 | Tr | 4.91 | 0.05 | 0.036 | 4.600 |
| Bulk value | 3.78 | 4.89 | 3.59 | 4.19 | ||||||
| LL-chondrite | EH-chondrite | |||||||||
| Olivine | Fo69Fa31 | 3.67 | 0.60 | 0.585 | 3.914 | – | ||||
| Orthopyroxene | En74Fs26 | 3.28 | 0.16 | 0.174 | 3.830 | En100 | 3.20 | 0.56 | 0.666 | 4.961 |
| Clinopyroxene | En46Fs10Wo44 | 3.10 | 0.05 | 0.058 | 4.660 | – | ||||
| Plagioclase | Ab86Or4An10 | 2.64 | 0.09 | 0.122 | 1.985 | Ab81Or4An15 | 2.64 | 0.10 | 0.144 | 1.985 |
| Nickel-iron | Irn70Nkl30 | 8.14 | 0.04 | 0.018 | 13.636 | Irn92Nkl8 | 7.90 | 0.25 | 0.120 | 29.383 |
| Troilite | Tr | 4.91 | 0.06 | 0.044 | 4.600 | Tr | 4.91 | 0.09 | 0.070 | 4.600 |
| Bulk value | 3.58 | 3.78 | 3.80 | 5.62 | ||||||
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