Unfortunately, it's hard for me to gauge my own date of birth.

[For several reasons, not all of them related. He'd never thought it an issue until now.] I usually count my age by the passing of each new year.

Diamond... somehow seems fitting for you, Miss Bronya.

[Bright and clear but near unbreakable.

The stone she holds up next is fascinating.] I've heard of this before... It's a type of Feldspar with an iridescent quality, isn't it? I didn't realize it had such associations.

[Because he's so damn science brained.]