Argentium - test your knowledge

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Across
  1. 2. not bright polished
  2. 3. balls made from melted argentium
  3. 4. technique for spoon making or cheating !
  4. 6. birthstone
  5. 9. logo for argentium
  6. 13. what holds a stone in place
  7. 17. opposite of darker
  8. 18. resisting bacteria
  9. 19. increased purity
  10. 21. items worn on the wrist
  11. 22. January birthstone
  12. 25. US supplier and river
  13. 26. place to create your masterpieces
  14. 27. June birthstone
  15. 29. always a girls best friend
  16. 30. alloy ingredient in silver
  17. 31. technique for holding stones without solder in
  18. 32. term for adding colour to metal surface
  19. 33. US instructor
  20. 34. mixing materials to create new material
  21. 35. large US jewellery show
  22. 39. cleaning machine
  23. 40. small tool for grinding metal
  24. 41. process of melting ground glass to create colour
Down
  1. 1. argentium inventor
  2. 5. Network moderator
  3. 7. technique for joint without solder
  4. 8. less allergic reactions
  5. 10. technique for recreating many identical items
  6. 11. process for shining metal
  7. 12. property to prevent tarnish
  8. 14. term for cooling metal in water
  9. 15. tool for abrading metal or finger nails
  10. 16. mount for stone setting
  11. 20. iconic Titanic stone
  12. 23. type of ounces used for metal
  13. 24. stamp used to identify metal purity
  14. 28. alloy ingredient in Argentium
  15. 32. term for cleaning metal or preserving vegetables!
  16. 36. insect seen in summer and term for earring fitting
  17. 37. a way of relieving
  18. 38. process for reducing wire gauge