Across
- 4. the resistance of a mineral to being scratched
- 6. an uneven surface after breaking
- 9. a naturally occurring, inorganic solid and an orderly arrangement of atoms or ions.
- 10. the process of becoming a crystals
- 13. a mineral with silicon in it.
- 14. a smooth surface after breaking
- 15. a large enough amount of a mineral to be mined for a profit
Down
- 1. molten rock below Earth's surface
- 2. scientists who studies minerals
- 3. it is equal to and objects mass divided by its volume
- 5. a mineral in powdered form
- 7. a rare and attractive mineral that can be worn as jewelry
- 8. molten rock above Earth's surface
- 11. the way a mineral reflects light
- 12. an unreliable way of determining a mineral