Glass %

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Across
  1. 3. ability to withstand discoloration
  2. 10. common cations like boron,silicon,germanium etc.
  3. 13. colors with low light intensity
  4. 14. solid,firm object that aren't easily broken
  5. 15. to take in or soak up
  6. 16. having an even or regular surface consistency
  7. 19. contains a portion of lead oxide making it more refractive
  8. 20. the underlying the finish coat and consisting of a single coat
  9. 21. type of safety glass
  10. 23. the way that someone or something looks
  11. 25. similar way to single-crystal quartz
  12. 27. different types like borosilicate,soda lime, isinglass
  13. 29. a card showing a color or range of colors
  14. 30. made out of volcanoes
  15. 32. the quality of being the only one of its kind
  16. 33. type of transparent substance
  17. 35. a flat surface with a layer of plastic or other protective material
  18. 36. circular patterns around the fragment
  19. 37. colored with or containing pigment
  20. 39. makes the glass strong and water resistant
Down
  1. 1. four-wheeled road vehicle
  2. 2. automotive painting technique which coats a clear lacquer
  3. 4. special type of paint that goes on before the finish coat of paint
  4. 5. the outside part or uppermost layer of something
  5. 6. any material composed of paint slag from various automotive plants
  6. 7. consisting of small parts that are disconnected or incomplete
  7. 8. fractured or damaged fragments
  8. 9. glass you encounter most often
  9. 11. firm and stable in shape
  10. 12. applied to materials that fail when there is little or no plastic
  11. 17. the ability of a substance to refract light expressed
  12. 18. having multiple coats of something
  13. 22. colors with high light intensity that contrast black
  14. 24. glassware produced in many sets with repeated fractures
  15. 26. having no pigmentation or uncolored
  16. 27. shine or luster on a smooth surface
  17. 28. lime drinking glasses and windows
  18. 31. the feeling,appearance, or consistency of a substance
  19. 34. spider-web like fracture
  20. 38. a small part or quantity of something