The Big Bang Theory (TV Series)
The Wedding Gift Wormhole (2018)
Brian Posehn: Bert Kibbler
Photos
Quotes
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Amy Farrah Fowler : So, do you know what it is?
Bert Kibbler : Of course I know what it is. It's a silicon dioxide crystal, also known as quartz.
Sheldon Cooper : Are you sure?
Bert Kibbler : Am I sure? Is basalt a mafic extrusive of igneous rock formed by the rapid cooling of magnesium and iron-rich lava? Yeah, I'm sure.