Leaders of states in the us which have significant mineral deposits often create a state mineral rock stone or gemstone to promote interest in their natural resources history tourism etc not every state has an official state mineral rock stone and or gemstone however. Interactive guide to hundreds of rocks and minerals. To further complicate matters certain rocks such as lapis lazuli are classified as gemstones since lapis has a long history of use in decoration lapis lazuli is composed of several minerals including sodalite calcite and pyrite. Rocks and minerals for kids big photos fun facts silly jokes 60 pages fun facts and photos about rocks minerals gemstones geology and so much more. In rocks minerals and gems readers will learn about hundreds of rocks minerals crystals and gems that were forged by the most powerful events in prehistory explore what specimens look like and how theyre used today readers can use the information to identify rocks and minerals themselves and open up a spectacular new world
How it works:
1. Register a Free 1 month Trial Account.
2. Download as many books as you like ( Personal use )
3. No Commitment. Cancel anytime.
4. Join Over 100.000 Happy Readers.
5. That's it. What you waiting for? Sign Up and Get Your Books.