3 ms·

The article makes no mention of how the pigment makes the blue colour.

• s0rce 7y ago
  It reflects only blue photons
• beautifulfreak 7y ago
  It's due to the "trigonal bipyramidal" lattice structure. By changing atoms in the structure, they've created pigments with a range of colors. https://ws680.nist.gov/publication/get_pdf.cfm?pub_id=921441 https://ws680.nist.gov/publication/get_pdf.cfm?pub_id=921441
  • zeristor 7y ago
    Excellent find! This article also talks of the three other variants for different colours
  • creeble 7y ago
    Ooh yeah, that's very interesting. Thanks!