The Power of Grounding

When I put my feet in the sand and on the earth, I feel better. That's a proven fact. It's science. Crystals are amazing because they make my wife happy, which essentially keeps me in a safe space. If grounding and earthing helps me that much, then holding a mineral or a crystal would have energy or ions or whatever it is in it too. Is that right or no? There's so much wisdom there.