puzzle #18

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Across
  1. 4. A thing seen; a phenomenon; an apparition.
  2. 7. A gemstone, a jewel, especially a diamond.
  3. 8. The frontal aspect of something.
  4. 9. The state of being difficult, or hard to do.
Down
  1. 1. One who hunts or seeks after anything.
  2. 2. A petrol filling station.
  3. 3. The gaseous state of a substance that is normally a solid or liquid.
  4. 5. Something of an extra quality or grade.
  5. 6. To appear; to look outwardly; to be perceived as.
  6. 8. The person or thing in the first position.