Your grandmother's crystal should sound like a bell. Getty Images You're rummaging through the cabinets at an estate sale, and you come across a set of 12 beautifully etched wine glasses. They're ...

Crystals have energy properties that can work within our own energy systems. What the heck are healing crystals? Do they actually do anything? Celebs are obsessed with them—but are they total B.S.? If ...