Minerals Crossword Puzzle

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Across
  1. 3. soft metal with a shiny silver surface that can be found in milk
  2. 7. silvery color, and helps your body form proteins
  3. 9. bronze color, and was used to make pennies before World War 2
  4. 11. most colorful mineral found on Earth; white streak; hardness is 7 to 7.5
  5. 12. bluish white color, and is currently used to make pennies
  6. 14. silver color, and is used in solar panels
  7. 15. in its purest form in colorless and is the hardest substance known
  8. 16. blue, white, gray in color; used in ceramics and bricks
  9. 17. often known as Fool's Gold, brassy color
Down
  1. 1. clear, white color with white streak; used as an agricultural soil treatment
  2. 2. green in color; colorless streak; 6.5-7 hardness; has been called jade for thousands of years
  3. 3. many colors; rock-forming mineral found in igneous,metamorphic, and sedimentary rocks
  4. 4. soft, silvery, white metal that is in bananas
  5. 5. silver to gray metal with black streaks
  6. 6. colorless, durable gemstone hardness is an 8
  7. 8. silver, grey metal that that can stick to magnets
  8. 9. toxic mercury sulfide mineral; bright red color
  9. 10. bright yellow color, and is found throughout the universe
  10. 13. silvery white color, and is a very common metal found on Earth
  11. 18. white to green color, nonmetallic and is greasy to feel