I'm not a fan of gem/mineral names and
Jade is no exception.
Jade Ruth doesn't necessarily sound bad although it sounds too staccato to my ears due to them both being one-syllable.
I think
Meredith is nice although I do think
Meredith Ruth is a bit heavy on the "th."
“It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.”
~Mark Twain