Here’s the thing about crystals: There’s no scientific proof that they can actually do, well, much of anything. But they’re having a serious moment (celebs love’em,they’re showing up on beauty shelvesand your friend Amy can’t see you this weekend because she’s busycleansing hers),所以我们想知道的问题。Crystals expert Heather Askinosiegives us the scoop on six popular stones and how to harness their powers (if you’re into that kind of thing).