Lots of kids collect minerals, but Richard Berger wasn’t one of them. The Bronx native didn’t see his first chunk of quartz until he was in his 20s. Disillusioned with medical school, Berger was ...

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Rock candy was one of the coolest kinds of candy you could eat as a kid, right up there with gummy worms. They made it look like you were eating expensive crystals, and if that wasn't enough for you, ...