Sheldon stepped in. “Correct. But it is moissanite. It’s almost as hard as diamond, more brilliant, and environmentally friendly. If she rejects you because of the gem’s chemical composition, she’s failing basic material science and human decency.”
“I watched a documentary on gemstone economics last Tuesday.” Later, Georgie tried to give the ring to his girlfriend, but she laughed. “That’s not real, Georgie.” young sheldon s02e08 hevc
Sheldon’s eyes lit up. “Ah! A scientific inquiry! We can determine its authenticity using thermal conductivity, refractive index, and—" Sheldon stepped in