Discover the wonders of our rocky planet This amazing deck of cards welcomes you to Earth's extraordinary minerals and gems, from sparkling emeralds to igneous rocks formed deep inside the Earth's molten core. Stunning pictures and fast facts will allow you to grasp a wealth of knowledge in a fun way. Each card contains snappy and accessible information, displaying each rock or mineral in dazzling detail. The front of the card will show the rock with a clue of what it is. The back reveals the answer, plus a dataset of essential information, ensuring you can recognise sedimentary from sandstone, metamorphic from marble, and pyrite from pearl. You'll discover the unique qualities of each material, together with how it is used in art, industry, architecture, and science. You can use the cards to test your own knowledge, or how about using them to play a guessing game, quiz, or a competitive comparison game with a friend? Our World in Pictures: Rocks & Minerals Flash Cards are packed with information on the world's amazing gems - from rainbow rocks and fluorescent minerals to priceless diamonds - to make you an expert in no time!