Across
- 1. color of powdered mineral
- 2. naturally occuring solid
- 4. when the mineral breaks in an uneven surface
- 5. solid that is arranged in a pattern
- 9. ratio of mass to volume
- 11. process where a mineral is laid down
- 12. rock altered by pressure and heat
- 15. when sedimentary rocks are arranged in layers
- 18. substance that can't be broken down
Down
- 1. layers of a rock
- 3. ability to resisit scratching
- 6. rock formed by sediments
- 7. rock that is formed from magma then solidifies
- 8. slitting of a mineral in smooth surfaces
- 10. chemical makeup of a rock
- 13. wearing down of wind, water, ice, or gravity
- 14. naturally formed inorganic solid
- 16. substance made up of two or more elements
- 17. quality of a rock
- 19. way the mineral reflects light