
And this is a high-pulse laser
with a BBO CRYSTAL.
The Big Bang Theory Season 12, Episode 22

It's a silicon dioxide CRYSTAL,
otherwise known as quartz.
The Big Bang Theory Season 12, Episode 2

Just bumping uglies
and smoking that CRYSTAL
you got from your pal, Tuco?
Breaking Bad Season 2, Episode 3

This new
CRYSTAL methamphetamine...
Breaking Bad Season 4, Episode 8

and I damn sure didn't say
anything about no CRYSTAL.
Breaking Bad Season 2, Episode 3