Across
- 4. Heavy metal
- 5. Steam trains are also called ---- horses
- 6. It is worth 5 cents
- 8. Used in electric wire and water pipes
- 9. The most common mineral on Earth
Down
- 1. Wedding Rings are often made of this
- 2. A million records or streams
- 3. Nevada is the ------ state
- 7. Valuable mineral in Minecraft
