Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Listings Next 10 Listings > Browse Listings # Gems and crystals 1 Gems and crystals from one of the world's great collections 1 Gems and crystals from the American Museum of Natural History 1 Gems and jewelry 1 Gems and jewelry appraising 1 Gems and jewelry in color 1 Gems and minerals 1 Gems, crystals, and precious rocks 1 Gems for kids: a Junior Scientist's guide to mineral crystals and other natural treasures 1 Gems for the taking; mine your own treasure 1 10 20 30 50 100 per page < Previous 10 Listings Next 10 Listings >