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Across 4. the process a rock undergoes to change into another rock 5. how hard a rock/mineral is compared to others and everyday things 7. material that is non-living 8. a naturally occuring inorganic solid, with a definite structure and composition 9. the color of the mineral when it is broken or powdered 10. rock made from cooled lava or magma 12. material that is living 14. rock made from the compaction and cementation of sediments 15. a solid in which the atoms are arranged in repeating patters 16. a mixture of minerals, volcanic glass, organic matter, and other materials 17. how well a rock/mineral reflects light 18. how a rock/mineral feels (ex. grainy, rough, smooth, etc) 19. rare and attractive mineral that can be worn as jewelry

Down 1. when a rock/mineral breaks with clean or smooth edges 2. rock made from subjection to extreme heat and pressure 3. found in or on Earth 6. mineral without silicon and oxygen in its chemical makeup 9. man made 11. mineral with silicon and oxygen in its chemical makeup 13. when a rock/mineral breaks with rough or jagged edges