Diamond vs. Cubic Zirconia using Sunglasses (and Birefringence)

Hello! Here's a little optical microscopy video about identifying false diamonds using polarizing anti-glare sunglasses. Under the microscope, a cubic zirconia stone lights up when the polarizers are crossed. The technique relies on birefringence, which is discussed in the video. Enjoy!
- Whynabile

[@ameyafutnani4569]

I will keep enjoying shiny rocks and sunglasses! Thanks for the information video

[@DominicLeDuc]

WHYNABILE IS BACK AND I'M HERE FOR IT

[@Elegant_Sausage]

As a rock hound, I will not only keep enjoying the shiny rocks, but also allllllll the oher ones as well. Thanks for this informative video!

[@TheblackoCato]

Man. As a non-geologist shiny rocker this was as informative as it was applicable. Well done

[@malgozata1875]

Hi Jack, this is super useful. Very interesting. I just wish that you had summarized, for those of us totally ignorant about geology and science, which one is diamond and which one is cubic zirconia. You did that in your typed summary, but it would have been helpful to hear it. Thank you.

[@Jonnygurudesigns]

Well put together video! It's better than university!

[@IrishPotato86]

Pilots cannot use polarized sunglasses while flying as it blocks out the light emitted from the digital instrumentation devices.

[@noahthabeast6544]

So interesting

[@johnnyllooddte3415]

so which one was the diamond

[@Elegant_Sausage]

The dark one

[@CuinnHerrick]

Good one. Keep it up

[@RyanGoessl94]

How would moissanite compare?

[@alexmihai3906]

Hello cane you telk my if I have raw diamond please Sir ?

[@mohdabdulsalam8857]

in hende

[@SuperDaks]

Hello! Sir Jack I have a Diamond

[@permatapertama9475]

What's ..... 😱😁😁👍👍💎☕

[@ihavetubes]

bioluminescent!