Gems Rock!
From dazzling diamonds to shimmering sapphires, gemstones are some of the world's most sought-after objects. Their journeys take them from the depths of volcanoes to the glitz of red-carpet galas-and everywhere in between. People have been hunting and trading gems since the beginning of recorded history. Learn how these precious natural treasures form, how people find them, and what sets them apart from other materials on Earth. Includes 8 real mini gems!
