Minerals-Earth Science

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