Across
- 4. has a density of 19.3 g/mL.
- 8. Has a yellow streak.
- 11. Variable dull color/luster.
- 14. iron ore with red-brown streak.
- 15. white streak and hardness 4.
- 16. has a sliver gray color.
- 18. Texas state mineral
- 19. New York states mineral
- 20. Pencil lead.
- 21. 10 on the hardness scale.
Down
- 1. 1 on the hardness scale.
- 2. Fizzes in acid.
- 3. hardness of 7.
- 4. lead ore.
- 5. copper ore.
- 6. powder form of mineral.
- 7. iron ore with a black streak.
- 9. Pink/white pearly.
- 10. Pyramid/irregular shape.
- 12. Crystal shape, flat sheets.
- 13. (Ruby), Dark red, glassy/dull.
- 14. Cubic shape.
- 17. Fools gold.
- 20. density of 2.3 g/mL.