My idea of a relaxing weekend away is a luxury spa with a great book in a quiet place. My husband’s preference is to go gem collecting with fellow rockhounds. For years I just thought this was quirky ...

Pink, green and blue tourmaline, aquamarine beryl and deep red garnet, purple amethyst and sparkling lepidolite — they all lie buried in Maine granite. To find them, all you have to do is dig — and ...