Visible light: Alexander Harding
This is the chemical formula for love:
dopamine, seratonin, oxytocin.
It can be easily manufactured in a lab, but overdosing on any of them can cause schizophrenia, extreme paranoia, and insanity.
Let that sink in.
This Mexican fire opal looks like a sunset above the clouds when illuminated just right.
Image credit: Jeff Schultz