Download or read book What Makes a Rock Valuable? : Composition of Rocks | Geology Picture Book Grade 4 | Children's Science Education Books written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2020-12-31 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Let’s talk about the composition of rocks. Do you know one of the minerals that make up rocks? Read this book to get a full list of all the minerals inside rocks. Where do these minerals come from? Do rocks differ in certain parts of the world? What an interesting book to read on a seemingly ordinary object. Grab a copy today.