PRELOVED Rocks & Minerals - Pockets

This is a secondhand book, it has been read. There are some minor scuffs, condition is good.

How can Platinum help reduce pollution?
What makes rubies red and sapphires blue?
The answers to these questions and many more can be found in the pages of this pocket book.

This is one of a series of pocket-sized guides on a range of subjects. Arranged thematically for easy reference, each "Pocket" has been written by a subject expert in a way that aims to make the information easily accessible to readers aged 8 and up. The reference section at the back contains extra facts and figures. This book covers rocks and minerals. From the rarest gems to the most common rocks in the Earth's crust, it is a catalogue of minerals grouped by colour for ease of identification.