Prepare to be dazzled by this shining and sumptuous vis...
Packed with over 100 fun flashcards, you can discover t...
Compact and portable, What's That Rock, Mineral or Gem?...
Compact and easy-to-use, Nature Guide: Gems provides a ...
Did you know culinary salt is the mineral halite? Or th...
Using powerful photography, specially commissioned artw...
Created in association with Smithsonian Institution, th...
Smithsonian Handbooks are the most visually appealing g...
Learn all there is to know about exquisite and precious...