Across
- 1. red-brown streak, composition Fe2O3
- 3. black to dark brown color, flexible in thin sheets
- 5. used for ceramics, white to pink in color
- 7. used in batteries,hardness is 2.5
- 9. used for ceramics, white to gray in color
- 12. chemical symbol is Ti, is part of the composition of amphibole
- 13. chemical symbol is Fe, is part of the composition of pyrite
- 15. chemical symbol is Cl, is in halite
- 16. used in drywall, hardness of 2
- 19. also known as augite, cleaves in 2 directions at 90 degrees
- 20. has a greasy feel, white to green color
- 21. composition is NaCl, salty taste
- 22. color is brassy yellow, hardness is 6.5
- 23. chemical symbol is Pb, part of the composition of gelena
- 25. has a greasy feel, silver to gray in color
Down
- 2. flexible in thin sheets, colorless to yellow
- 4. cleaves in 4 directions, hardness of 4
- 6. composition is Fe3O4,color is black to silver
- 8. composition is CaCO3, bubbles with acid
- 10. hardness of 6.5, used in furnace bricks
- 11. hardness of 2, fracture is the dominant form of breakage
- 14. composition is SiO2, is colorless or variable in color
- 17. dark red to green in color, used in jewelry
- 18. hardness of 3.5, colorless or variable colors
- 24. also known as homblende, cleavage is dominant form of breakage