Across
- 1. each specific mineral has the same _____ ___ (ratio of elements)as others of its type
- 7. some minerals form when water evaporated and ___ crystallize
- 10. semi-soft glassy mineral that cleaves in 3 planes and will fizz with acid
- 11. the property of how a mineral reflects light
- 12. glassy mineral cleaving into near perfect cubes at right angles
- 13. glassy soft mineral cleaves along 1 plane, clear, flexible
- 14. mineral made of the same carbon as graphite but much more tightly bonded
- 15. this metallic mineral is often mistaken for gold ("fools gold")
- 16. forming in nature (not man made)
- 17. soft metallic mineral you may be using right now!
- 21. hard glassy mineral that cleaves in two planes, has a few colors
- 22. the property where minerals cleanly break along flat planes
- 23. the property of how resistant a mineral is to being scratched
Down
- 2. not made from living materials
- 3. not a liquid or gas
- 4. minerals have a definite ___ ___ (repeating pattern)
- 5. glassy hard mineral doesn't cleave, comes in many colors
- 6. the least reliable mineral property used to identify
- 8. hard metallic mineral, no cleavage, slight magnetic
- 9. some minerals form when ___ cool and crystallize
- 18. metallic mineral cleaving into near perfect cubes at right angles
- 19. minerals that don't cleave may ____ along fibers or curved surfaces
- 20. slightly glassy mineral, softer than fingernail, no cleavage