Discover the wonders of our rocky planetThis amazing deck of cards welcomes you to Earths extraordinary minerals and gems, from sparkling emeralds to igneous rocks formed deep inside the Earths 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