Jeff Dekofsky Explains the Science of Opals

Jeff Dekofsky will prevent you from ever looking casually at an opal again! From TED-Ed on YouTube:

What gives opals their signature shimmering colors? Dig into the science of the gemstone’s formation, millions of years in the making.

See more

from Adafruit Industries – Makers, hackers, artists, designers and engineers! https://ift.tt/2KCoz7c
via IFTTT