Hmmm, I have forgotten the significance. Another example: in Richard K. Morgan's Altered Carbon, "mirrorwood" from Harlan's World is prized on Earth, but used

Hmmm, I have forgotten the significance. Another example: in Richard K. Morgan's Altered Carbon, "mirrorwood" from Harlan's World is prized on Earth, but used as a common building materia on its homeworld. Let me know if you find that essay!